acuityn.

Brit.

/əˈkjuːᵻti/, U.S.

/əˈkjuədi/,

/æˈkjuədi/

Forms: Middle English acute, Middle English–1500s acuite, Middle English–1500s acuyte, 1500s acuitye, 1500s– acuity.

Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French acuité; Latin acuitat-, acuitas.

Etymology: < Middle French acuité (French acuité ) sharpness, quality of being pointed or cutting (a1320 in Old French; 13th cent. in sense ‘sharp taste’), intensity of a sensation, or of a pain, etc., (of an intellectual faculty) sharpness, keenness, subtlety (15th cent.) and its etymon post-classical Latin acuitat-, acuitas sharpness of intellect (6th cent.), sharpness, pointedness (13th cent. in British and continental sources), acuteness of accent, sharpness of pitch (13th cent. in a British source; 15th cent. in a continental source), pungency (13th cent. in a British source) < classical Latin acuere to sharpen (see acute adj.) + -itās -ity suffix. Compare acuteness n.

†1.

a. The capacity of a substance to cut, pierce, or corrode; acidity, caustic quality. Obsolete.

ΘΚΠ

the world > health and disease > healing > medicines or physic > [noun] > qualities of medicines

acuity1543

benignity1605

lenitude1657

incompatibility1825

alkalescency1826

specificity1876

compatibility1898

orgonity1945

addictiveness1955

the world > action or operation > advantage > efficacy > [noun] > sharpness or acuteness

acuity1543

a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 65 (MED) Þer ben manie enchesouns of cause antecedentis, as..to myche acute [L. acuitas] of blood.

?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 83^v (MED) After forsoþ þat þe acuite i. sharpnez is eked..it [sc. vlcere] is said corrosyue.

a1500 (c1477) T. Norton Ordinal of Alchemy (BL Add.) (1975) l. 2230 Alle liquours..Whiche frost infectid, shuld not be vsid... Theire Acuyte is dullid with colde.

1543 B. Traheron tr. J. de Vigo Most Excellent Wks. Chirurg. i. ii. f. 62^v/2 In thys case suppositories & clysters hauyng some acuite or sharpnes seme more conuenient, than medicynes receyued by y^e mouth.

1660 J. Harding tr. Paracelsus Archidoxis i. 86 How acute or Calcineous soever it be..tis by that acuity alone that it Operates.

1678 R. Russel tr. Jabir ibn Haiyan Wks. Geber ii. i. iv. xiii. 116 Water admits not the Acuity of Ignition as Ashes doth.

1701 W. Salmon Polygraphice (ed. 8) II. vii. iii. 482 By the acuity of the Salts, Alum and Vinegar, its whole humidity, blackness, and filth is done away.

1714 Bibliotheca Anatomica III. 57 There is some Liquor prepared in the Body that..separates and cuts asunder the Several Particles of the Aliment by its Acuity.

b. Sharpness (of a knife, etc.). Also concrete: the point of something sharp. Obsolete.

ΘΚΠ

the world > space > shape > sharpness of edge or point > [noun]

sharpnessc725

keenness1530

fineness?1537

acuity1598

acuteness1642

eagerness1831

1598 A. M. tr. J. Guillemeau Frenche Chirurg. f. 17/2 The acuitye or poyncte of the needle.

a1699 J. Fraser Treat. conc. Justifying or Saving Faith (1722) iv. 172 As the Sharpness or Acuity of the Knife doth to its better cutting of any material Substance.

a. Sharpness or keenness of thought, understanding, or feeling; perceptiveness, shrewdness.In later use, probably extended from sense 2b.

ΘΚΠ

the mind > mental capacity > understanding > intelligence, cleverness > sharpness, shrewdness, insight > [noun]

sharpnessc897

yepshipc1000

insightc1175

yepleȝȝcc1175

yephedea1250

wit1297

fellnessa1382

policyc1440

discerningc1450

policec1450

inspectiona1527

perceivance1534

aptitude1548

sagacity1548

acuity?1549

nimbleness1561

acumen1579

seeing eye1579

esprit1591

acuteness1601

depth1605

penetration1605

knowingness1611

shrewdnessa1616

piercingnessa1628

discernment1646

sharpwittedness1647

nasuteness1660

arguteness1662

sagaciousness1678

perceptivity1700

keenness1707

cuteness1768

intuition1780

recollectedness1796

long-headedness1818

perceptiveness1823

kokum1848

incision1862

incisiveness1865

penetrativeness1873

flair1881

hard-boiledness1912

smart1964

spikiness1977

sus1979

?1549 J. Hooper Declar. 10 Commandm. i. p. ii There is no acuite nor excellencie of witt..that can comprehend or compasse the doctrine.

1610 J. Healey tr. St. Augustine Citie of God xxii. xxix. 914 They excell in acuity of vnderstanding [L. prouectu mentis excellant].

a1636 T. Westcote View Devonshire 1630 (1845) xi. 237 All his subtle evasions and acuity of wit could not palliate his offence from the understanding of the inquest.

1880 W. J. Mickle Gen. Paralysis Insane ii. 10 The patient is extolling the acuity and cleverness of his own dealings.

1889 Medical Rec. 20 July 69/2 Indeed, Dr. Brown-Séquard himself, with his increased mental acuity, was not slow to note the one-sidedness of his discovery.

1918 Ohio Public Health Jrnl. Dec. 527/2 The latter was an Irishman of no little wit and acuity.

1946 Life 14 Jan. 102/2 His dexterity and acuity in keeping mental track of 57 different things at once.

1970 R. Thorp & R. Blake Music of their Laughter 142/1 You maintain your emotional acuity.

1994 Nature 28 Apr. 821/2 Majorana was in fact the only one who could make the pope ill at ease, with the acuity of his remarks, sometimes bitingly harsh, but always right.

2005 C. Cleave Incendiary 127 I may not be blessed with Petra's fashion acuity but I know a plonker when I see one.

b. Sharpness or keenness of perception; esp. clearness of vision (spec. for the shape or detail of objects).

ΘΚΠ

the world > physical sensation > sight and vision > types of vision > [noun] > clear- or sharp-sightedness

quicknessa1398

clearness1535

eagle eye1567

perspicacity1606

quicksightedness1625

piercingnessa1628

sharpsightedness1647

edgea1682

clear-sightednessa1691

acuity1866

visual acuity1889

V.A.1932

stereo-acuity1942

1866 Atlanta Med. & Surg. Jrnl. Oct. 372 The true typical symptoms are a diminution in the acuity of vision.

1889 A. H. Buck Ref. Handbk. Med. Sci. VII. 665/2 Comparative researches upon the visual acuity of different parts of the retina.

1911 S. S. Colvin Learning Process vi. 94 Auditory acuity may also be determined..with elaborate instruments such as Seashore's audiometer or Lehmann's acoumeter.

1920 Arch. Ophthalmol. 49 64 When the facts are known it is quite possible that visual tests will not stop with measuring the acuity of each eye and the color sense.

1945 Electronic Engin. 17 451 Audiograms, i.e. plots of hearing acuity against frequency, taken from a large number of deaf people.

1967 Brit. Jrnl. Psychiatry 113 767/2 We may..hypothesize that there is a difference of sensory acuity for high-pitched sounds between the person and us.

1968 Brain 91 256 The point chosen for fixation by the right retina presumably has a better acuity than the macula which is about 5 degrees nasalwards.

2000 New Scientist 8 Jan. 27/2 To measure olfactory acuity, they ask people to sniff different combinations of phenylethyl alcohol (PEA), a substance that has the scent of roses.

2007 I. McDonald Brasyl 226 When his eyes had recovered their acuity Quinn saw two streams of people pouring over the top of the bank.

3. Medicine. The degree to which a disease or symptom is acute (acute adj. 1a); the property of being acute. Also: the acute stage or crisis (of a disease). Cf. acuteness n. 3.

ΘΚΠ

the world > health and disease > ill health > a disease > characteristics > [noun] > degree of intensity > violence or severity

malicea1382

vehemency?1541

malignity1543

acutenessa1644

virulency1651

malignancy1693

virulence1748

severity1808

acuity1839

fulminancy1887

1839 Med. Examiner 19 Oct. 670/2 The width of the vascular zone of the sclerotica, although it varies according to the acuity of the inflammation, rarely exceeds two or three lines; whereas the redness of the conjunctiva is..universal.

1872 T. G. Thomas Pract. Treat. Dis. Women (ed. 3) 145 The disease may at any time take on the characters of virulence and acuity.

1907 R. W. Wilcox Treatm. Dis. i. 88 During convalescence the patient should be kept in bed until all danger of heart failure is past, this complication being prone to occur for some time after the acuity of the disease [sc. diphtheria] is over.

1920 L. W. Fox Pract. Treat. Ophthalmol. (new ed.) vi. 163 The disease is usually chronic,..the acuity of certain attacks being probably due to a concomitant acute conjunctivitis.

1992 W. J. Keon & S. C. Menzies in P. J. Walter Quality Life after Open Heart Surg. x. 109 High risk patients are known to benefit most from surgery and because of their acuity of symptoms often have no alternative to surgical intervention.

2006 J. K. Briggs & V. G. A. Grossman Emergency Nursing Pref. p. viii/2 In addition to assigning acuity based on symptoms and resources needed, the nurse is prompted when appropriate to initiate certain nursing interventions.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	acuity
释义	acuityn. Brit. /əˈkjuːᵻti/, U.S. /əˈkjuədi/, /æˈkjuədi/ Forms: Middle English acute, Middle English–1500s acuite, Middle English–1500s acuyte, 1500s acuitye, 1500s– acuity. Origin: Of multiple origins. Partly a borrowing from French. Partly a borrowing from Latin. Etymons: French acuité; Latin acuitat-, acuitas. Etymology: < Middle French acuité (French acuité ) sharpness, quality of being pointed or cutting (a1320 in Old French; 13th cent. in sense ‘sharp taste’), intensity of a sensation, or of a pain, etc., (of an intellectual faculty) sharpness, keenness, subtlety (15th cent.) and its etymon post-classical Latin acuitat-, acuitas sharpness of intellect (6th cent.), sharpness, pointedness (13th cent. in British and continental sources), acuteness of accent, sharpness of pitch (13th cent. in a British source; 15th cent. in a continental source), pungency (13th cent. in a British source) < classical Latin acuere to sharpen (see acute adj.) + -itās -ity suffix. Compare acuteness n. †1. a. The capacity of a substance to cut, pierce, or corrode; acidity, caustic quality. Obsolete. ΘΚΠ the world > health and disease > healing > medicines or physic > [noun] > qualities of medicines acuity1543 benignity1605 lenitude1657 incompatibility1825 alkalescency1826 specificity1876 compatibility1898 orgonity1945 addictiveness1955 the world > action or operation > advantage > efficacy > [noun] > sharpness or acuteness acuity1543 a1400 tr. Lanfranc Sci. Cirurgie (Ashm.) (1894) 65 (MED) Þer ben manie enchesouns of cause antecedentis, as..to myche acute [L. acuitas] of blood. ?a1425 tr. Guy de Chauliac Grande Chirurgie (N.Y. Acad. Med.) f. 83^v (MED) After forsoþ þat þe acuite i. sharpnez is eked..it [sc. vlcere] is said corrosyue. a1500 (c1477) T. Norton Ordinal of Alchemy (BL Add.) (1975) l. 2230 Alle liquours..Whiche frost infectid, shuld not be vsid... Theire Acuyte is dullid with colde. 1543 B. Traheron tr. J. de Vigo Most Excellent Wks. Chirurg. i. ii. f. 62^v/2 In thys case suppositories & clysters hauyng some acuite or sharpnes seme more conuenient, than medicynes receyued by y^e mouth. 1660 J. Harding tr. Paracelsus Archidoxis i. 86 How acute or Calcineous soever it be..tis by that acuity alone that it Operates. 1678 R. Russel tr. Jabir ibn Haiyan Wks. Geber ii. i. iv. xiii. 116 Water admits not the Acuity of Ignition as Ashes doth. 1701 W. Salmon Polygraphice (ed. 8) II. vii. iii. 482 By the acuity of the Salts, Alum and Vinegar, its whole humidity, blackness, and filth is done away. 1714 Bibliotheca Anatomica III. 57 There is some Liquor prepared in the Body that..separates and cuts asunder the Several Particles of the Aliment by its Acuity. b. Sharpness (of a knife, etc.). Also concrete: the point of something sharp. Obsolete. ΘΚΠ the world > space > shape > sharpness of edge or point > [noun] sharpnessc725 keenness1530 fineness?1537 acuity1598 acuteness1642 eagerness1831 1598 A. M. tr. J. Guillemeau Frenche Chirurg. f. 17/2 The acuitye or poyncte of the needle. a1699 J. Fraser Treat. conc. Justifying or Saving Faith (1722) iv. 172 As the Sharpness or Acuity of the Knife doth to its better cutting of any material Substance. 2. a. Sharpness or keenness of thought, understanding, or feeling; perceptiveness, shrewdness.In later use, probably extended from sense 2b. ΘΚΠ the mind > mental capacity > understanding > intelligence, cleverness > sharpness, shrewdness, insight > [noun] sharpnessc897 yepshipc1000 insightc1175 yepleȝȝcc1175 yephedea1250 wit1297 fellnessa1382 policyc1440 discerningc1450 policec1450 inspectiona1527 perceivance1534 aptitude1548 sagacity1548 acuity?1549 nimbleness1561 acumen1579 seeing eye1579 esprit1591 acuteness1601 depth1605 penetration1605 knowingness1611 shrewdnessa1616 piercingnessa1628 discernment1646 sharpwittedness1647 nasuteness1660 arguteness1662 sagaciousness1678 perceptivity1700 keenness1707 cuteness1768 intuition1780 recollectedness1796 long-headedness1818 perceptiveness1823 kokum1848 incision1862 incisiveness1865 penetrativeness1873 flair1881 hard-boiledness1912 smart1964 spikiness1977 sus1979 ?1549 J. Hooper Declar. 10 Commandm. i. p. ii There is no acuite nor excellencie of witt..that can comprehend or compasse the doctrine. 1610 J. Healey tr. St. Augustine Citie of God xxii. xxix. 914 They excell in acuity of vnderstanding [L. prouectu mentis excellant]. a1636 T. Westcote View Devonshire 1630 (1845) xi. 237 All his subtle evasions and acuity of wit could not palliate his offence from the understanding of the inquest. 1880 W. J. Mickle Gen. Paralysis Insane ii. 10 The patient is extolling the acuity and cleverness of his own dealings. 1889 Medical Rec. 20 July 69/2 Indeed, Dr. Brown-Séquard himself, with his increased mental acuity, was not slow to note the one-sidedness of his discovery. 1918 Ohio Public Health Jrnl. Dec. 527/2 The latter was an Irishman of no little wit and acuity. 1946 Life 14 Jan. 102/2 His dexterity and acuity in keeping mental track of 57 different things at once. 1970 R. Thorp & R. Blake Music of their Laughter 142/1 You maintain your emotional acuity. 1994 Nature 28 Apr. 821/2 Majorana was in fact the only one who could make the pope ill at ease, with the acuity of his remarks, sometimes bitingly harsh, but always right. 2005 C. Cleave Incendiary 127 I may not be blessed with Petra's fashion acuity but I know a plonker when I see one. b. Sharpness or keenness of perception; esp. clearness of vision (spec. for the shape or detail of objects). ΘΚΠ the world > physical sensation > sight and vision > types of vision > [noun] > clear- or sharp-sightedness quicknessa1398 clearness1535 eagle eye1567 perspicacity1606 quicksightedness1625 piercingnessa1628 sharpsightedness1647 edgea1682 clear-sightednessa1691 acuity1866 visual acuity1889 V.A.1932 stereo-acuity1942 1866 Atlanta Med. & Surg. Jrnl. Oct. 372 The true typical symptoms are a diminution in the acuity of vision. 1889 A. H. Buck Ref. Handbk. Med. Sci. VII. 665/2 Comparative researches upon the visual acuity of different parts of the retina. 1911 S. S. Colvin Learning Process vi. 94 Auditory acuity may also be determined..with elaborate instruments such as Seashore's audiometer or Lehmann's acoumeter. 1920 Arch. Ophthalmol. 49 64 When the facts are known it is quite possible that visual tests will not stop with measuring the acuity of each eye and the color sense. 1945 Electronic Engin. 17 451 Audiograms, i.e. plots of hearing acuity against frequency, taken from a large number of deaf people. 1967 Brit. Jrnl. Psychiatry 113 767/2 We may..hypothesize that there is a difference of sensory acuity for high-pitched sounds between the person and us. 1968 Brain 91 256 The point chosen for fixation by the right retina presumably has a better acuity than the macula which is about 5 degrees nasalwards. 2000 New Scientist 8 Jan. 27/2 To measure olfactory acuity, they ask people to sniff different combinations of phenylethyl alcohol (PEA), a substance that has the scent of roses. 2007 I. McDonald Brasyl 226 When his eyes had recovered their acuity Quinn saw two streams of people pouring over the top of the bank. 3. Medicine. The degree to which a disease or symptom is acute (acute adj. 1a); the property of being acute. Also: the acute stage or crisis (of a disease). Cf. acuteness n. 3. ΘΚΠ the world > health and disease > ill health > a disease > characteristics > [noun] > degree of intensity > violence or severity malicea1382 vehemency?1541 malignity1543 acutenessa1644 virulency1651 malignancy1693 virulence1748 severity1808 acuity1839 fulminancy1887 1839 Med. Examiner 19 Oct. 670/2 The width of the vascular zone of the sclerotica, although it varies according to the acuity of the inflammation, rarely exceeds two or three lines; whereas the redness of the conjunctiva is..universal. 1872 T. G. Thomas Pract. Treat. Dis. Women (ed. 3) 145 The disease may at any time take on the characters of virulence and acuity. 1907 R. W. Wilcox Treatm. Dis. i. 88 During convalescence the patient should be kept in bed until all danger of heart failure is past, this complication being prone to occur for some time after the acuity of the disease [sc. diphtheria] is over. 1920 L. W. Fox Pract. Treat. Ophthalmol. (new ed.) vi. 163 The disease is usually chronic,..the acuity of certain attacks being probably due to a concomitant acute conjunctivitis. 1992 W. J. Keon & S. C. Menzies in P. J. Walter Quality Life after Open Heart Surg. x. 109 High risk patients are known to benefit most from surgery and because of their acuity of symptoms often have no alternative to surgical intervention. 2006 J. K. Briggs & V. G. A. Grossman Emergency Nursing Pref. p. viii/2 In addition to assigning acuity based on symptoms and resources needed, the nurse is prompted when appropriate to initiate certain nursing interventions. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < n.a1400
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