tolerancen.

/ˈtɒlərəns/

Forms: Also Middle English–1500s toll-.

Etymology: < French tolérance (14th cent. in Hatzfeld & Darmesteter), < rare Latin tolerāntia , < tolerāre to tolerate v.: see -ance suffix. But from 16th cent. probably directly referred to the Latin.

†1.

a. The action or practice of enduring or sustaining pain or hardship; the power or capacity of enduring; endurance. Obsolete.

ΘΚΠ

the mind > will > decision > constancy or steadfastness > [noun] > capacity for moral effort or endurance

thildc950

strengthOE

dureec1330

rankc1400

tolerance1412

adamant1445

toleration1531

validity1578

durance1579

bent1604

strongness1650

duress1651

strength1667

durableness1740

stamina1803

willpower1842

backbone1843

thewness1860

sand1867

upbearing1885

wiriness1892

gut1893

sisu1926

1412–20 J. Lydgate tr. Hist. Troy ii. 7014 Riȝt so convenient Is to þe wyse..with suffraunce, In al his port to haue tolleraunce.

1603 P. Holland tr. Plutarch Morals 230 Sage counsell and wisdome..in dangers and travels, we tearme tolerance, patience and fortitude.

1653 tr. S. Przypkowski Dissertatio de Pace v. 30 [They] have omitted nothing to the most certain hope of Salvation, and to all the toyl of a pious life, and to the tolerance of Christs Cross.

1814 W. Taylor in Monthly Mag. 37 527 We do not ascribe superior tolerance to the protestant dissenters for enduring more patiently their privations.

b. Physiology. The power, constitutional or acquired, of enduring large doses of active drugs, or of resisting the action of poison, etc.; hence diminution in the response to a drug after continued use. Also const. to. Cf. tolerant adj. c, tolerate v. 1b, toleration n. 1b.

ΘΚΠ

the world > health and disease > [noun] > good health > resistance to disease > resistance to drugs or poisons

tolerance1875

toleration1877

the world > health and disease > healing > medical treatment > treatment by medicine or drug > [noun] > tolerance to drugs

tolerance1875

1875 H. C. Wood Treat. Therapeutics (1879) 153 By the aid of opiates and careful dilution a species of tolerance was often obtained for these heroic doses.

1876 R. Bartholow Pract. Treat. Materia Med. ii. 213 When emetic doses even are continued in some subjects, this effect finally ceases, and the drug is borne without producing any gastric symptoms. To this state has been applied the term tolerance.

1890 J. S. Billings National Med. Dict. II Tolerance, power of endurance whereby a dangerous drug can be safely taken in excessive doses.

1951 A. Grollman Pharmacol. & Therapeutics xviii. 362 A certain degree of tolerance to the nitrites is gained by man from their repeated administration. Especially is this true as regards the headache which they often produce.

1974 M. C. Gerald Pharmacol. iii. 62 For the heroin addict, tolerance represents a very real problem, for he is obliged to take larger and larger doses to get the same psychological response.

1982 Sci. Amer. Mar. 112/3 The body may accumulate the drug or develop a tolerance to it.

c. Forestry. The capacity of a tree to endure shade. More widely in Biology, the ability of any organism to withstand some particular environmental condition. Const. to. Cf. tolerant adj. d originally U.S.

ΘΚΠ

the world > life > biology > balance of nature > organisms in relation to habitat > [noun] > conditions of

plasticity1858

modification1875

tolerance1898

autotrophy1900

heterotrophism1900

sympatry1904

heterotrophy1930

zootrophy1930

chemoautotrophism1943

chemolithotrophy1947

chemoorganotrophy1947

chemotrophy1947

chemoautotrophy1949

prototrophy1949

auxotrophy1953

photoautotrophy1961

photoheterotrophy1961

opportunism1967

chemoheterotrophy1972

chemolithoautotrophy1976

psychrotolerance1977

1898 G. Pinchot Adirondack Spruce 6 A provisional scale of tolerance is as follows, beginning with the species which demand most light: Tamarack, Poplar, Bird Cherry, White and Black Ash [etc.].

1898 G. Pinchot Adirondack Spruce 23 All species..are not equal in their tolerance of shade, their resistance to storm and disease [etc.].

1898 G. Pinchot Adirondack Spruce 30 Black Cherry stands about midway in the scale of tolerance among the trees in the Park.

1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. vi. 169 The higher plants have a more or less wide pH tolerance.

1939 Ecology XX. 71 (heading) A study of the tolerance of trees to breakage by ice accumulation.

1953 E. P. Odum Fund. Ecol. iii. 29 Trees give way to grassland as the amount of available water drops below the limits of tolerance for forests.

1960 N. Polunin Introd. Plant Geogr. xiv. 428 The arborescent species..fall into groups having a particular height-limit and degree of tolerance to shading.

1961 Biol. Abstr. 36 6632/1 Restraint may affect altitude tolerance in the rat by hastening the body temperature fall.

1979 Environmental Biol. Fishes IV. 253/1 Cox..found differences in thermal tolerance of large and small 26°C acclimated bluegill sunfish warmed at 0·1 and 1·0° C min⁻¹.

d. Biology. The ability of an organism to survive or to flourish despite infection with a parasite or an otherwise pathogenic organism.

ΘΚΠ

the world > life > biology > biological processes > immunogenesis > [noun] > immune response > tolerance of infection

tolerance1904

tolerization1979

1904 Q. Rev. July 137 It is probable that the sleeping-sickness parasite flourished innocently in a state of adjustment due to tolerance on the part of the aboriginal men and animals of West Africa.

1951 R. H. Painter Insect Resistance in Plant Crops ii. 59 Corn strains that are tolerant to chinch bug infestation under the moisture conditions of Illinois may not show as much tolerance under drier conditions in Kansas.

1976 A. J. Gibbs & B. D. Harrison Plant Virol. xv. 226/1 The use of tomato plants containing a single gene for tolerance to TMV resulted in the selection and rapid spread of virus strains virulent for the plants.

e. Immunology. The ability to accept without an immunological reaction an antigen that normally produces one.

ΘΚΠ

the world > life > biology > biological processes > immunogenesis > [noun] > immune response

hyperimmunization1913

homograft reaction1944

tolerance1951

immunocompetence1966

1951 Heredity V. 396 It may seem surprising that the interchange of red cell precursors should confer tolerance upon homografts of, effectively, skin epithelium.

1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxvii. 21/2 Experimentally tolerance can be induced by exposure to antigens either in utero or..in the neonatal period.

1979 Nature 15 Mar. 257/2 It is pertinent to ask whether the induction and maintenance of specific immunological unresponsiveness (tolerance) to foreign antigens is also under genetic control.

†2. The action of allowing; licence, permission granted by an authority. Obsolete.

ΘΚΠ

society > authority > lack of subjection > permission > [noun] > formal or authoritative permission

authorization1472

ratihabitation1502

ratihabition1516

permit1517

toleration1517

tolerance1539

warrantise1580

clearance1944

1539 Act 31 Hen. VIII c. 13 §19 Without any other licence, dispensacion or tollerance of the kinges highnesse.

1567 in J. H. Burton Reg. Privy Council Scotl. (1877) 1st Ser. I. 571 Na persoun sould intromet thairwith..without his rycht licence and tollerance had thairto.

1580–81 Reg. Privy Council Scotl. I. 357 Be the Kingis Majesties permissioun and tollerance.

3. The action or practice of tolerating; toleration; the disposition to be patient with or indulgent to the opinions or practices of others; freedom from bigotry or undue severity in judging the conduct of others; forbearance; catholicity of spirit.

ΘΚΠ

the mind > emotion > calmness > patience > [noun] > forbearance or tolerance

mercya1225

tholea1325

patiencyc1350

patiencea1382

abidingc1384

sustentationc1384

tack1412

tolerancya1556

digesture1567

toleration1582

acceptance1586

forbearance1599

brooking1624

digestion1653

tolerance1765

the world > action or operation > behaviour > good behaviour > kindness > gentleness or mildness > [noun] > tolerance or forbearance

tholea1325

tholance1446

tholing1457

sufferingc1460

tolerancya1556

toleration1582

forbearance1599

tolerance1765

tolerantism1824

tolerism1851

tolerationism1898

1765 R. Lowth Let. to Warburton 13 It admits..of no tolerance, no intercommunity of various sentiments, not the least difference of opinion.

1809–10 S. T. Coleridge Friend (1865) 56 The only true spirit of tolerance consists in our conscientious toleration of each other's intolerance.

1841–8 F. Myers Catholic Thoughts II. iii. §5. 15 It may not accord with the undisciplined instincts of some to associate the tolerance of Imperfection in connection with the instrumentality of Perfection.

1868 A. Helps Realmah (1876) vi. 89 Tolerance, or to use a more Christian word, charity.

1902 C. Lennox James Chalmers xiv. 111 With the same large tolerance, he satisfied the curiosity of the..astonished black.

4. Technical uses.

a. Coining. The small margin within which coins, when minted, are allowed to deviate from the standard fineness and weight: also called allowance. (Cf. toleration n. 5, remedy n. 4.)

ΚΠ

1868 Rep. Royal Commission on Internat. Coinage 95 As to the minimum of remedy or tolerance to be allowed on coining, it will be observed that there is a near agreement among the Mints of different countries on this head.

1868 Rep. Royal Commission on Internat. Coinage App. xi. 228 Gold coins... The margin allowed for error in coining, known as the remedy or tolerance, is calculated upon the pound troy of coin, and amounts to 15 grains for the fineness, plus or minus, or ¹/ ₁₆ of a carat, and 12 grains for the weight.

b. In Mechanics: an allowable amount of variation in the dimensions of a machine or part. More widely: the allowable amount of variation in any specified quantity.

ΘΚΠ

the world > relative properties > relationship > variety > [noun] > permitted amount of variation

tolerance1909

society > occupation and work > equipment > machine > [noun] > allowable amount of variation in machine or part

tolerance1909

1909 Cent. Dict. Suppl. (at cited word) A tolerance of ·00025 [= ¹/ ₄₀₀₀] of an inch is allowed above or below the exact dimension in fine machine parts.

1916 Yorks. Post 28 Mar. 8/1 Permissible margins of error in workmanship are known as tolerances.

1920 Conquest Apr. 269/1 [In gauges] a very high accuracy was demanded, the tolerances being generally a few ten-thousandth parts of an inch.

1937 Times 13 Apr. (British Motor Suppl.) p. xii/4 Visitors may see..how the metal cools and can be withdrawn a minute or two later, finally to be machined to within a tolerance of 0·001 in. on the inside and 0·0005 in. on the outside.

1957 R. W. G. Hunt Reprod. Colour xii. 174 With this system, discrepancies..will result only in errors in chrominance and not in errors of luminance. The tolerances thus become slightly larger.

1965 Economist 28 Aug. 812/2 The Ministry will be able to tighten up on tolerances in the road building specifications which it is now rewriting.

1973 A. Parrish Mech. Engineer's Ref. Bk. (ed. 11) iii. 17 A geometrical tolerance is applied to a feature when there is a requirement to control its variation of form or position.

1975 D. G. Fink Electronics Engineers' Handbk. i. 48 Stations must operate on an assigned carrier frequency..which must be maintained within specified limits of frequency tolerances.

Compounds

attributive and in other combinations:

tolerance dose n. Medicine a dose, esp. of radiation, believed to be received or taken without harm.

ΘΚΠ

the world > health and disease > ill health > a disease > environmental disorders > [noun] > radiation

radium burn1908

radiation sickness1924

tolerance dose1925

radionecrosis1928

radiation burn1931

radiation injury1931

1925 Amer. Jrnl. Röntgenol. 13 66/2 We will have then to decide upon a tolerance dose which can be considered harmless for the operator within a certain assumed period of time.

1958 W. D. Claus Radiation Biol. & Med. xvi. 390 The concept of ‘tolerance dose’ has changed somewhat to the thought that there is no such thing as a literally harmless dose of radiation.

1972 H. C. Rae Shooting Gallery iii. 202 You know what controlled tolerance doses [of drugs] are?.. I had it under control.

tolerance level n. the level that can be tolerated or is acceptable; spec. in Medicine = tolerance dose n. above.

ΘΚΠ

the world > relative properties > quantity > degree or relative amount of a quality, action, etc. > [noun] > that can be tolerated

tolerance level1947

the world > health and disease > healing > medical treatment > treatment by medicine or drug > [noun] > in doses > tolerance level

tolerance level1947

1947 Radiology 49 364/2 What are the first changes produced by exposures just above the tolerance level?

1964 F. G. W. Jones & M. G. Jones Pests of Field Crops xvi. 361 The U.S.A. and Canada have laws determining the tolerance levels for those pesticides that leave residues on or in the crops.

1977 New Yorker 19 Sept. 82/2 It's very important to gauge your audience's tolerance level—decide what it's receptive to, what it can take.

tolerance limit n. a limit laid down for the permitted variation of a parameter of a product.

ΘΚΠ

the world > relative properties > kind or sort > individual character or quality > quality of being special or restricted in application > quality of being restricted or limited > [noun] > limit > limit of permitted variation

latitude1541

tolerance limit1931

1931 W. A. Shewhart Econ. Control of Quality of Manufactured Product xvii. 249 The tolerance range for a given quality X is defined as the range between the maximum and minimum tolerance limits specified for this quality.

1963 M. L. Begeman & B. H. Amstead Manuf. Processes (ed. 5) xv. 356 The tolerance limits for a part are placed outside of the control limits.

Draft additions September 2007

tolerance zone n. a designated area in which prostitution is tolerated by the authorities.Quot. 1924 may refer to an area in which performances involving erotic dancing or a striptease are permitted: it is not clear to what extent the reference to ‘dancing girls’ is euphemistic.

ΚΠ

1924 Los Angeles Times 6 July ii. 15/5 Seek murderers of Juarez dancing girl: Police hold peddlers of clothes to habitues of underworld... Two women who sell clothing to the girls of the tolerance zone of Juarez discovered the body.

1937 Daily Gleaner (Kingston, Jamaica) 2 June 9/2 (heading) U.F. seaman goes haywire in tolerance zone... Some blood was spilled in the red light district this afternoon.

2004 D. Arter Sc. Parl. xiii. 278 [She]..has canvassed the creation of tolerance zones for prostitutes—as well as inveighing against the spiralling costs of the new parliament building.

This entry has not yet been fully updated (first published 1912; most recently modified version published online September 2021).

单词	tolerance
释义	tolerancen. /ˈtɒlərəns/ Forms: Also Middle English–1500s toll-. Etymology: < French tolérance (14th cent. in Hatzfeld & Darmesteter), < rare Latin tolerāntia , < tolerāre to tolerate v.: see -ance suffix. But from 16th cent. probably directly referred to the Latin. †1. a. The action or practice of enduring or sustaining pain or hardship; the power or capacity of enduring; endurance. Obsolete. ΘΚΠ the mind > will > decision > constancy or steadfastness > [noun] > capacity for moral effort or endurance thildc950 strengthOE dureec1330 rankc1400 tolerance1412 adamant1445 toleration1531 validity1578 durance1579 bent1604 strongness1650 duress1651 strength1667 durableness1740 stamina1803 willpower1842 backbone1843 thewness1860 sand1867 upbearing1885 wiriness1892 gut1893 sisu1926 1412–20 J. Lydgate tr. Hist. Troy ii. 7014 Riȝt so convenient Is to þe wyse..with suffraunce, In al his port to haue tolleraunce. 1603 P. Holland tr. Plutarch Morals 230 Sage counsell and wisdome..in dangers and travels, we tearme tolerance, patience and fortitude. 1653 tr. S. Przypkowski Dissertatio de Pace v. 30 [They] have omitted nothing to the most certain hope of Salvation, and to all the toyl of a pious life, and to the tolerance of Christs Cross. 1814 W. Taylor in Monthly Mag. 37 527 We do not ascribe superior tolerance to the protestant dissenters for enduring more patiently their privations. b. Physiology. The power, constitutional or acquired, of enduring large doses of active drugs, or of resisting the action of poison, etc.; hence diminution in the response to a drug after continued use. Also const. to. Cf. tolerant adj. c, tolerate v. 1b, toleration n. 1b. ΘΚΠ the world > health and disease > [noun] > good health > resistance to disease > resistance to drugs or poisons tolerance1875 toleration1877 the world > health and disease > healing > medical treatment > treatment by medicine or drug > [noun] > tolerance to drugs tolerance1875 1875 H. C. Wood Treat. Therapeutics (1879) 153 By the aid of opiates and careful dilution a species of tolerance was often obtained for these heroic doses. 1876 R. Bartholow Pract. Treat. Materia Med. ii. 213 When emetic doses even are continued in some subjects, this effect finally ceases, and the drug is borne without producing any gastric symptoms. To this state has been applied the term tolerance. 1890 J. S. Billings National Med. Dict. II Tolerance, power of endurance whereby a dangerous drug can be safely taken in excessive doses. 1951 A. Grollman Pharmacol. & Therapeutics xviii. 362 A certain degree of tolerance to the nitrites is gained by man from their repeated administration. Especially is this true as regards the headache which they often produce. 1974 M. C. Gerald Pharmacol. iii. 62 For the heroin addict, tolerance represents a very real problem, for he is obliged to take larger and larger doses to get the same psychological response. 1982 Sci. Amer. Mar. 112/3 The body may accumulate the drug or develop a tolerance to it. c. Forestry. The capacity of a tree to endure shade. More widely in Biology, the ability of any organism to withstand some particular environmental condition. Const. to. Cf. tolerant adj. d originally U.S. ΘΚΠ the world > life > biology > balance of nature > organisms in relation to habitat > [noun] > conditions of plasticity1858 modification1875 tolerance1898 autotrophy1900 heterotrophism1900 sympatry1904 heterotrophy1930 zootrophy1930 chemoautotrophism1943 chemolithotrophy1947 chemoorganotrophy1947 chemotrophy1947 chemoautotrophy1949 prototrophy1949 auxotrophy1953 photoautotrophy1961 photoheterotrophy1961 opportunism1967 chemoheterotrophy1972 chemolithoautotrophy1976 psychrotolerance1977 1898 G. Pinchot Adirondack Spruce 6 A provisional scale of tolerance is as follows, beginning with the species which demand most light: Tamarack, Poplar, Bird Cherry, White and Black Ash [etc.]. 1898 G. Pinchot Adirondack Spruce 23 All species..are not equal in their tolerance of shade, their resistance to storm and disease [etc.]. 1898 G. Pinchot Adirondack Spruce 30 Black Cherry stands about midway in the scale of tolerance among the trees in the Park. 1932 G. D. Fuller & H. S. Conard tr. J. Braun-Blanquet Plant Sociol. vi. 169 The higher plants have a more or less wide pH tolerance. 1939 Ecology XX. 71 (heading) A study of the tolerance of trees to breakage by ice accumulation. 1953 E. P. Odum Fund. Ecol. iii. 29 Trees give way to grassland as the amount of available water drops below the limits of tolerance for forests. 1960 N. Polunin Introd. Plant Geogr. xiv. 428 The arborescent species..fall into groups having a particular height-limit and degree of tolerance to shading. 1961 Biol. Abstr. 36 6632/1 Restraint may affect altitude tolerance in the rat by hastening the body temperature fall. 1979 Environmental Biol. Fishes IV. 253/1 Cox..found differences in thermal tolerance of large and small 26°C acclimated bluegill sunfish warmed at 0·1 and 1·0° C min⁻¹. d. Biology. The ability of an organism to survive or to flourish despite infection with a parasite or an otherwise pathogenic organism. ΘΚΠ the world > life > biology > biological processes > immunogenesis > [noun] > immune response > tolerance of infection tolerance1904 tolerization1979 1904 Q. Rev. July 137 It is probable that the sleeping-sickness parasite flourished innocently in a state of adjustment due to tolerance on the part of the aboriginal men and animals of West Africa. 1951 R. H. Painter Insect Resistance in Plant Crops ii. 59 Corn strains that are tolerant to chinch bug infestation under the moisture conditions of Illinois may not show as much tolerance under drier conditions in Kansas. 1976 A. J. Gibbs & B. D. Harrison Plant Virol. xv. 226/1 The use of tomato plants containing a single gene for tolerance to TMV resulted in the selection and rapid spread of virus strains virulent for the plants. e. Immunology. The ability to accept without an immunological reaction an antigen that normally produces one. ΘΚΠ the world > life > biology > biological processes > immunogenesis > [noun] > immune response hyperimmunization1913 homograft reaction1944 tolerance1951 immunocompetence1966 1951 Heredity V. 396 It may seem surprising that the interchange of red cell precursors should confer tolerance upon homografts of, effectively, skin epithelium. 1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxvii. 21/2 Experimentally tolerance can be induced by exposure to antigens either in utero or..in the neonatal period. 1979 Nature 15 Mar. 257/2 It is pertinent to ask whether the induction and maintenance of specific immunological unresponsiveness (tolerance) to foreign antigens is also under genetic control. †2. The action of allowing; licence, permission granted by an authority. Obsolete. ΘΚΠ society > authority > lack of subjection > permission > [noun] > formal or authoritative permission authorization1472 ratihabitation1502 ratihabition1516 permit1517 toleration1517 tolerance1539 warrantise1580 clearance1944 1539 Act 31 Hen. VIII c. 13 §19 Without any other licence, dispensacion or tollerance of the kinges highnesse. 1567 in J. H. Burton Reg. Privy Council Scotl. (1877) 1st Ser. I. 571 Na persoun sould intromet thairwith..without his rycht licence and tollerance had thairto. 1580–81 Reg. Privy Council Scotl. I. 357 Be the Kingis Majesties permissioun and tollerance. 3. The action or practice of tolerating; toleration; the disposition to be patient with or indulgent to the opinions or practices of others; freedom from bigotry or undue severity in judging the conduct of others; forbearance; catholicity of spirit. ΘΚΠ the mind > emotion > calmness > patience > [noun] > forbearance or tolerance mercya1225 tholea1325 patiencyc1350 patiencea1382 abidingc1384 sustentationc1384 tack1412 tolerancya1556 digesture1567 toleration1582 acceptance1586 forbearance1599 brooking1624 digestion1653 tolerance1765 the world > action or operation > behaviour > good behaviour > kindness > gentleness or mildness > [noun] > tolerance or forbearance tholea1325 tholance1446 tholing1457 sufferingc1460 tolerancya1556 toleration1582 forbearance1599 tolerance1765 tolerantism1824 tolerism1851 tolerationism1898 1765 R. Lowth Let. to Warburton 13 It admits..of no tolerance, no intercommunity of various sentiments, not the least difference of opinion. 1809–10 S. T. Coleridge Friend (1865) 56 The only true spirit of tolerance consists in our conscientious toleration of each other's intolerance. 1841–8 F. Myers Catholic Thoughts II. iii. §5. 15 It may not accord with the undisciplined instincts of some to associate the tolerance of Imperfection in connection with the instrumentality of Perfection. 1868 A. Helps Realmah (1876) vi. 89 Tolerance, or to use a more Christian word, charity. 1902 C. Lennox James Chalmers xiv. 111 With the same large tolerance, he satisfied the curiosity of the..astonished black. 4. Technical uses. a. Coining. The small margin within which coins, when minted, are allowed to deviate from the standard fineness and weight: also called allowance. (Cf. toleration n. 5, remedy n. 4.) ΚΠ 1868 Rep. Royal Commission on Internat. Coinage 95 As to the minimum of remedy or tolerance to be allowed on coining, it will be observed that there is a near agreement among the Mints of different countries on this head. 1868 Rep. Royal Commission on Internat. Coinage App. xi. 228 Gold coins... The margin allowed for error in coining, known as the remedy or tolerance, is calculated upon the pound troy of coin, and amounts to 15 grains for the fineness, plus or minus, or ¹/ ₁₆ of a carat, and 12 grains for the weight. b. In Mechanics: an allowable amount of variation in the dimensions of a machine or part. More widely: the allowable amount of variation in any specified quantity. ΘΚΠ the world > relative properties > relationship > variety > [noun] > permitted amount of variation tolerance1909 society > occupation and work > equipment > machine > [noun] > allowable amount of variation in machine or part tolerance1909 1909 Cent. Dict. Suppl. (at cited word) A tolerance of ·00025 [= ¹/ ₄₀₀₀] of an inch is allowed above or below the exact dimension in fine machine parts. 1916 Yorks. Post 28 Mar. 8/1 Permissible margins of error in workmanship are known as tolerances. 1920 Conquest Apr. 269/1 [In gauges] a very high accuracy was demanded, the tolerances being generally a few ten-thousandth parts of an inch. 1937 Times 13 Apr. (British Motor Suppl.) p. xii/4 Visitors may see..how the metal cools and can be withdrawn a minute or two later, finally to be machined to within a tolerance of 0·001 in. on the inside and 0·0005 in. on the outside. 1957 R. W. G. Hunt Reprod. Colour xii. 174 With this system, discrepancies..will result only in errors in chrominance and not in errors of luminance. The tolerances thus become slightly larger. 1965 Economist 28 Aug. 812/2 The Ministry will be able to tighten up on tolerances in the road building specifications which it is now rewriting. 1973 A. Parrish Mech. Engineer's Ref. Bk. (ed. 11) iii. 17 A geometrical tolerance is applied to a feature when there is a requirement to control its variation of form or position. 1975 D. G. Fink Electronics Engineers' Handbk. i. 48 Stations must operate on an assigned carrier frequency..which must be maintained within specified limits of frequency tolerances. Compounds attributive and in other combinations: tolerance dose n. Medicine a dose, esp. of radiation, believed to be received or taken without harm. ΘΚΠ the world > health and disease > ill health > a disease > environmental disorders > [noun] > radiation radium burn1908 radiation sickness1924 tolerance dose1925 radionecrosis1928 radiation burn1931 radiation injury1931 1925 Amer. Jrnl. Röntgenol. 13 66/2 We will have then to decide upon a tolerance dose which can be considered harmless for the operator within a certain assumed period of time. 1958 W. D. Claus Radiation Biol. & Med. xvi. 390 The concept of ‘tolerance dose’ has changed somewhat to the thought that there is no such thing as a literally harmless dose of radiation. 1972 H. C. Rae Shooting Gallery iii. 202 You know what controlled tolerance doses [of drugs] are?.. I had it under control. tolerance level n. the level that can be tolerated or is acceptable; spec. in Medicine = tolerance dose n. above. ΘΚΠ the world > relative properties > quantity > degree or relative amount of a quality, action, etc. > [noun] > that can be tolerated tolerance level1947 the world > health and disease > healing > medical treatment > treatment by medicine or drug > [noun] > in doses > tolerance level tolerance level1947 1947 Radiology 49 364/2 What are the first changes produced by exposures just above the tolerance level? 1964 F. G. W. Jones & M. G. Jones Pests of Field Crops xvi. 361 The U.S.A. and Canada have laws determining the tolerance levels for those pesticides that leave residues on or in the crops. 1977 New Yorker 19 Sept. 82/2 It's very important to gauge your audience's tolerance level—decide what it's receptive to, what it can take. tolerance limit n. a limit laid down for the permitted variation of a parameter of a product. ΘΚΠ the world > relative properties > kind or sort > individual character or quality > quality of being special or restricted in application > quality of being restricted or limited > [noun] > limit > limit of permitted variation latitude1541 tolerance limit1931 1931 W. A. Shewhart Econ. Control of Quality of Manufactured Product xvii. 249 The tolerance range for a given quality X is defined as the range between the maximum and minimum tolerance limits specified for this quality. 1963 M. L. Begeman & B. H. Amstead Manuf. Processes (ed. 5) xv. 356 The tolerance limits for a part are placed outside of the control limits. Draft additions September 2007 tolerance zone n. a designated area in which prostitution is tolerated by the authorities.Quot. 1924 may refer to an area in which performances involving erotic dancing or a striptease are permitted: it is not clear to what extent the reference to ‘dancing girls’ is euphemistic. ΚΠ 1924 Los Angeles Times 6 July ii. 15/5 Seek murderers of Juarez dancing girl: Police hold peddlers of clothes to habitues of underworld... Two women who sell clothing to the girls of the tolerance zone of Juarez discovered the body. 1937 Daily Gleaner (Kingston, Jamaica) 2 June 9/2 (heading) U.F. seaman goes haywire in tolerance zone... Some blood was spilled in the red light district this afternoon. 2004 D. Arter Sc. Parl. xiii. 278 [She]..has canvassed the creation of tolerance zones for prostitutes—as well as inveighing against the spiralling costs of the new parliament building. This entry has not yet been fully updated (first published 1912; most recently modified version published online September 2021). tolerancev. /ˈtɒlərəns/ Etymology: < tolerance n. Engineering. transitive. To specify a tolerance for (a machine part, etc.). ΘΚΠ society > occupation and work > equipment > machine > render mechanical [verb (transitive)] > specify allowable amount of variation tolerance1950 1950 W. Staniar Plant Engin. Handbk. ii. 45 (caption) Quality-control chart—correct tolerancing of operations. 1959 B.S.I. News Aug. 13 British proposals on dimensioning and tolerancing of tapers were generally approved. 1971 J. H. Smith Digital Logic ii. 19 The designs are well toleranced and the reader will find that almost any small-signal transistor will function quite satisfactorily. 1973 A. Parrish Mech. Engineer's Ref. Bk. (ed. 11) iii. 19 The feature toleranced is indicated by a leader line. Derivatives ˈtoleranced adj. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [adjective] > other specific parts self-balancing1796 epicyclic1841 slotted1849 reversing1864 kinematic1876 self-aligning1889 knock-off1896 underslung1909 self-cancelling1933 knock-on1952 toleranced1953 select1974 1953 F. Zozzora Engin. Drawing viii. 126/2 As a general rule, nonmating members are toleranced bilaterally, while mating surfaces are toleranced unilaterally. ˈtolerancing n. ΘΚΠ society > occupation and work > equipment > machine > [noun] > allowable amount of variation in machine or part > act of specifying tolerancing1973 1973 A. Parrish Mech. Engineer's Ref. Bk. (ed. 11) iii. 18 The concept of geometrical tolerancing is complex. This entry has not yet been fully updated (first published 1986; most recently modified version published online September 2018). < n.1412v.1950
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tolerancen.

Compounds

Draft additions September 2007

tolerancev.

Derivatives