truncatedadj.

Brit.

/trʌŋˈkeɪtᵻd/,

/ˈtrʌŋkeɪtᵻd/, U.S.

/ˈtrəŋˌkeɪdᵻd/

Etymology: < Latin truncātus, past participle of truncāre (see truncate v.) + -ed suffix¹, or < truncate v. + -ed suffix¹.

Cut short (actually or apparently); having a part cut off, or of such a form as if a part were cut off.

1. Heraldry. Of a cross or tree: Having the arms or boughs cut off, so as not to extend to the boundaries of the shield; couped. ? Obsolete.

ΘΚΠ

society > communication > indication > insignia > heraldic devices collective > charge: device on shield > [adjective] > cut off evenly

recoupedc1460

truncated1486

trunkeda1550

coupé1572

hawmed1572

humetty1572

humetted1586

humet1661

couped1678

raccourcy1728

raguled1728

1486 Blasyng of Armys sig. cvi^v, in Bk. St. Albans A cros truncatid. And hit is calde trunkatid for hit is made of .ij. treys the boys [= boughs] cut a way.

1572 J. Bossewell Wks. Armorie ii. f. 95^v These trees are truncated, that is to saie, ye boughes cut of from the body, and laide in the forme of a Saltier. The endes whereof may not touch the Angles of the shield.

2. In modern scientific and technical use. (Const. as adj. preceding the noun, or as past participle following the noun.)

a. Geometry, etc. Of a figure: Having one end cut off by a transverse line or plane; esp. of a cone or pyramid: Having the vertex cut off by a plane section, esp. one parallel to the base: thus truncated cone or pyramid = frustum n. of a cone or pyramid. truncated octahedron n. a fourteen-sided solid formed from a regular octahedron by truncating its six corners to form six new square faces, in the process cutting down the eight original triangular faces into (usually regular) hexagons.

ΘΚΠ

the world > relative properties > wholeness > incompleteness > [adjective] > not fully formed > as if part were cut off

truncated1704

truncate1717

the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > formed by cutting solid

segment of a sphere1570

sector of a sphere1656

frustum1658

truncated cone or pyramid1704

frustulum1785

wedge1883

the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > (as if) by cutting

cuttedc1386

docked1408

stucked?a1439

trunked1552

cropped1558

lopped1570

short-cut1596

stumped1598

dubbeda1661

truncated1704

truncate1717

well-cropped1805

clipped1870

junky1873

lobbed1883

crop1957

the world > relative properties > number > geometry > shape or figure > [adjective] > being acted upon

truncated1831

1704 J. Harris Lexicon Technicum I Truncated Pyramid or Cone, is one whose top is cut off by a Plane parallel to its Base; and therefore the Figure of the truncated top must always be similar to the Base.

1827 M. Faraday Chem. Manip. ii. 26 Weights..constructed in sets, each weight..having the form of a truncated cone.

1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 581 The Cartilages of the apertures of the Nose..represent an ellipse truncated posteriorly.

1840 D. Lardner Treat. Geom. 68 A trapezium is a truncated triangle.

1840 D. Lardner Treat. Geom. 166 A figure formed by the section of a prism by a plane not parallel to its base is called a truncated prism.

1868 W. Lockyer & J. N. Lockyer tr. A. Guillemin Heavens (ed. 3) 73 The southern horn of the crescent was truncated.

b. Crystallography and Geometry. Of an edge or solid angle: Cut off or replaced by a plane face, esp. one equally inclined to the adjacent faces; also said of a solid figure having its edges or angles thus cut off.

ΘΚΠ

the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [adjective] > replacement of

truncated1794

tangent1823

the world > relative properties > number > geometry > shape or figure > [adjective] > being acted upon > specifically of solid

truncated1863

1794 R. Kirwan Elements Mineral. (ed. 2) I. 128 [Fluor] the angles or edges rarely truncated or bevilled.

1823 H. J. Brooke Familiar Introd. Crystallogr. 24 When an edge, or solid angle, is replaced by one plane, it is said to be truncated. When an edge is replaced by two planes, which respectively incline on the adjacent primary planes at equal angles, it is bevilled.

1863 ‘G. Eliot’ Romola II. vi. 57 The wide doorway, standing at the truncated angle of a great block..of houses.

1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 51 The separate crystalloids are thin plates, single regular rhombs, often with truncated angles.

1891 Cent. Dict. at Truncate v. Truncated cube, cuboctahedron, dodecahedron [etc.].

c. Natural History. Appearing as if the tip or end were cut off transversely; terminating in a flat or broad edge or surface instead of a point.

ΘΚΠ

the world > plants > part of plant > part defined by form or function > [adjective] > having a rounded end

truncated1752

obtuse1753

premorse1753

retuse1753

spatulate1760

spatulated1777

lopped1787

succise1880

the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > truncated

truncated1752

lopped1787

1752 J. Hill Gen. Nat. Hist. III. 3 The Enchelis, with the head small, and the tail truncated.

1753 Chambers's Cycl. Suppl. at Leaf Truncated Leaf, that whose summit or point seems to have been cut off, or is terminated by a strait line in a transverse direction.

1816 J. F. Stephens Shaw's Gen. Zool. IX. ii. 236 Quills dusky black; the points..truncated.

1835 J. Duncan Nat. Hist. Beetles (Naturalist's Libr.: Entomol. II) 184 The elytra are short and truncated at the extremity.

1899 T. C. Allbutt et al. Syst. Med. VIII. 774 These truncated hairs are of..importance for diagnosis.

d. So in Architecture, Geology, etc.

ΚΠ

1723 E. Chambers tr. S. Le Clerc Treat. Archit. I. 114 Pediments..supported by an Entablature truncated in the middle.

1728 E. Chambers Cycl. at Roof Sometimes 'tis truncated; that is, instead of terminating in a Ridge or Angle, 'tis cut square off at a certain Heighth.

1829 W. Scott Anne of Geierstein I. x. 295 A truncated column of marble, having its base sculptured with hieroglyphical imagery.

1830 C. Lyell Princ. Geol. (1872) I. ii. xxiii. 588 The summit of the loftiest peak is truncated.

1869 C. Boutell tr. J. P. Lacombe Arms & Armour ii. 11 In some [Assyrian] examples, the raised upper crest-like part of the helm is seen to have been bent backwards and truncated.

e. Statistics. Of a frequency distribution or sample: obtained by disregarding values of the variate greater than or less than some chosen value. Of a variate: treated in this way.

ΘΚΠ

the world > relative properties > number > probability or statistics > [adjective] > relating to distribution > truncated

truncated1931

1931 R. A. Fisher Truncated Normal Distribution in Math. Tables (Brit. Assoc. Adv. Sci.) I. p. xxxiii The frequency of the truncated distribution in the range dx.

1952 A. Hald Statistical Theory with Engin. Applications vi. 146 The cumulative distribution functions of three truncated distributions..with degrees of truncation of 10, 30 and 50% respectively.

1971 C. R. Heathcote Probability v. 240 Truncated variables are often easier to handle than the original ones, and..under wide conditions, the two sequences have the same asymptotic behaviour.

f. Of soil: having lost the upper horizon(s) as a result of rapid erosion.

ΘΚΠ

the world > the earth > structure of the earth > formation of features > erosion or weathering > [adjective] > soil erosion

truncated1938

1938 A. B. Yolland tr. A. A. J. de Sigmond Princ. Soil Sci. xiv. 206 These truncated forest soils possess a peculiar dynamics of their own.

1941 H. Jenny Factors Soil Formation v. 100 Owing to differences in color of the A and B horizons, truncated profiles are often readily discernible on freshly plowed slopes.

1976 L. F. Curtis et al. Soils Brit. Isles 315 Truncated podzols. Here the surface soil has the characters of a B horizon.

3. Maimed, mutilated; also figurative.

ΘΚΠ

the world > health and disease > ill health > injury > maiming or mutilation > [adjective]

maimed1340

remuled1481

mutilate1525

dismembered1552

trunked1552

martyred1567

bodiless1587

limbless1594

mutilated1598

memberless1611

maim1653

concised1660

dislimbed1662

truncated1731

obtruncate1805

lop-limbed1809

decurtate1859

1731 N. Bailey Universal Etymol. Eng. Dict. (ed. 5) Truncated, cut shorter, maimed, mangled.

1823 I. D'Israeli Curiosities of Lit. 2nd Ser. II. 245 All the Italian editions continued to be reprinted in the same truncated condition.

1845 R. W. Hamilton Inst. Pop. Educ. v. 97 The truncated frame of man is without power of locomotion or external action.

1890 J. Stalker Imago Christi (1891) v. 104 It is a truncated and most imperfect friendship when this region is closed.

This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).

单词	truncated
释义	truncatedadj. Brit. /trʌŋˈkeɪtᵻd/, /ˈtrʌŋkeɪtᵻd/, U.S. /ˈtrəŋˌkeɪdᵻd/ Etymology: < Latin truncātus, past participle of truncāre (see truncate v.) + -ed suffix¹, or < truncate v. + -ed suffix¹. Cut short (actually or apparently); having a part cut off, or of such a form as if a part were cut off. 1. Heraldry. Of a cross or tree: Having the arms or boughs cut off, so as not to extend to the boundaries of the shield; couped. ? Obsolete. ΘΚΠ society > communication > indication > insignia > heraldic devices collective > charge: device on shield > [adjective] > cut off evenly recoupedc1460 truncated1486 trunkeda1550 coupé1572 hawmed1572 humetty1572 humetted1586 humet1661 couped1678 raccourcy1728 raguled1728 1486 Blasyng of Armys sig. cvi^v, in Bk. St. Albans A cros truncatid. And hit is calde trunkatid for hit is made of .ij. treys the boys [= boughs] cut a way. 1572 J. Bossewell Wks. Armorie ii. f. 95^v These trees are truncated, that is to saie, ye boughes cut of from the body, and laide in the forme of a Saltier. The endes whereof may not touch the Angles of the shield. 2. In modern scientific and technical use. (Const. as adj. preceding the noun, or as past participle following the noun.) a. Geometry, etc. Of a figure: Having one end cut off by a transverse line or plane; esp. of a cone or pyramid: Having the vertex cut off by a plane section, esp. one parallel to the base: thus truncated cone or pyramid = frustum n. of a cone or pyramid. truncated octahedron n. a fourteen-sided solid formed from a regular octahedron by truncating its six corners to form six new square faces, in the process cutting down the eight original triangular faces into (usually regular) hexagons. ΘΚΠ the world > relative properties > wholeness > incompleteness > [adjective] > not fully formed > as if part were cut off truncated1704 truncate1717 the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > formed by cutting solid segment of a sphere1570 sector of a sphere1656 frustum1658 truncated cone or pyramid1704 frustulum1785 wedge1883 the world > space > extension in space > measurable spatial extent > longitudinal extent > shortness > [adjective] > shortened > (as if) by cutting cuttedc1386 docked1408 stucked?a1439 trunked1552 cropped1558 lopped1570 short-cut1596 stumped1598 dubbeda1661 truncated1704 truncate1717 well-cropped1805 clipped1870 junky1873 lobbed1883 crop1957 the world > relative properties > number > geometry > shape or figure > [adjective] > being acted upon truncated1831 1704 J. Harris Lexicon Technicum I Truncated Pyramid or Cone, is one whose top is cut off by a Plane parallel to its Base; and therefore the Figure of the truncated top must always be similar to the Base. 1827 M. Faraday Chem. Manip. ii. 26 Weights..constructed in sets, each weight..having the form of a truncated cone. 1831 R. Knox tr. H. Cloquet Syst. Human Anat. (ed. 2) 581 The Cartilages of the apertures of the Nose..represent an ellipse truncated posteriorly. 1840 D. Lardner Treat. Geom. 68 A trapezium is a truncated triangle. 1840 D. Lardner Treat. Geom. 166 A figure formed by the section of a prism by a plane not parallel to its base is called a truncated prism. 1868 W. Lockyer & J. N. Lockyer tr. A. Guillemin Heavens (ed. 3) 73 The southern horn of the crescent was truncated. b. Crystallography and Geometry. Of an edge or solid angle: Cut off or replaced by a plane face, esp. one equally inclined to the adjacent faces; also said of a solid figure having its edges or angles thus cut off. ΘΚΠ the world > matter > chemistry > crystallography (general) > crystal (general) > crystal symmetry > [adjective] > replacement of truncated1794 tangent1823 the world > relative properties > number > geometry > shape or figure > [adjective] > being acted upon > specifically of solid truncated1863 1794 R. Kirwan Elements Mineral. (ed. 2) I. 128 [Fluor] the angles or edges rarely truncated or bevilled. 1823 H. J. Brooke Familiar Introd. Crystallogr. 24 When an edge, or solid angle, is replaced by one plane, it is said to be truncated. When an edge is replaced by two planes, which respectively incline on the adjacent primary planes at equal angles, it is bevilled. 1863 ‘G. Eliot’ Romola II. vi. 57 The wide doorway, standing at the truncated angle of a great block..of houses. 1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 51 The separate crystalloids are thin plates, single regular rhombs, often with truncated angles. 1891 Cent. Dict. at Truncate v. Truncated cube, cuboctahedron, dodecahedron [etc.]. c. Natural History. Appearing as if the tip or end were cut off transversely; terminating in a flat or broad edge or surface instead of a point. ΘΚΠ the world > plants > part of plant > part defined by form or function > [adjective] > having a rounded end truncated1752 obtuse1753 premorse1753 retuse1753 spatulate1760 spatulated1777 lopped1787 succise1880 the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > truncated truncated1752 lopped1787 1752 J. Hill Gen. Nat. Hist. III. 3 The Enchelis, with the head small, and the tail truncated. 1753 Chambers's Cycl. Suppl. at Leaf Truncated Leaf, that whose summit or point seems to have been cut off, or is terminated by a strait line in a transverse direction. 1816 J. F. Stephens Shaw's Gen. Zool. IX. ii. 236 Quills dusky black; the points..truncated. 1835 J. Duncan Nat. Hist. Beetles (Naturalist's Libr.: Entomol. II) 184 The elytra are short and truncated at the extremity. 1899 T. C. Allbutt et al. Syst. Med. VIII. 774 These truncated hairs are of..importance for diagnosis. d. So in Architecture, Geology, etc. ΚΠ 1723 E. Chambers tr. S. Le Clerc Treat. Archit. I. 114 Pediments..supported by an Entablature truncated in the middle. 1728 E. Chambers Cycl. at Roof Sometimes 'tis truncated; that is, instead of terminating in a Ridge or Angle, 'tis cut square off at a certain Heighth. 1829 W. Scott Anne of Geierstein I. x. 295 A truncated column of marble, having its base sculptured with hieroglyphical imagery. 1830 C. Lyell Princ. Geol. (1872) I. ii. xxiii. 588 The summit of the loftiest peak is truncated. 1869 C. Boutell tr. J. P. Lacombe Arms & Armour ii. 11 In some [Assyrian] examples, the raised upper crest-like part of the helm is seen to have been bent backwards and truncated. e. Statistics. Of a frequency distribution or sample: obtained by disregarding values of the variate greater than or less than some chosen value. Of a variate: treated in this way. ΘΚΠ the world > relative properties > number > probability or statistics > [adjective] > relating to distribution > truncated truncated1931 1931 R. A. Fisher Truncated Normal Distribution in Math. Tables (Brit. Assoc. Adv. Sci.) I. p. xxxiii The frequency of the truncated distribution in the range dx. 1952 A. Hald Statistical Theory with Engin. Applications vi. 146 The cumulative distribution functions of three truncated distributions..with degrees of truncation of 10, 30 and 50% respectively. 1971 C. R. Heathcote Probability v. 240 Truncated variables are often easier to handle than the original ones, and..under wide conditions, the two sequences have the same asymptotic behaviour. f. Of soil: having lost the upper horizon(s) as a result of rapid erosion. ΘΚΠ the world > the earth > structure of the earth > formation of features > erosion or weathering > [adjective] > soil erosion truncated1938 1938 A. B. Yolland tr. A. A. J. de Sigmond Princ. Soil Sci. xiv. 206 These truncated forest soils possess a peculiar dynamics of their own. 1941 H. Jenny Factors Soil Formation v. 100 Owing to differences in color of the A and B horizons, truncated profiles are often readily discernible on freshly plowed slopes. 1976 L. F. Curtis et al. Soils Brit. Isles 315 Truncated podzols. Here the surface soil has the characters of a B horizon. 3. Maimed, mutilated; also figurative. ΘΚΠ the world > health and disease > ill health > injury > maiming or mutilation > [adjective] maimed1340 remuled1481 mutilate1525 dismembered1552 trunked1552 martyred1567 bodiless1587 limbless1594 mutilated1598 memberless1611 maim1653 concised1660 dislimbed1662 truncated1731 obtruncate1805 lop-limbed1809 decurtate1859 1731 N. Bailey Universal Etymol. Eng. Dict. (ed. 5) Truncated, cut shorter, maimed, mangled. 1823 I. D'Israeli Curiosities of Lit. 2nd Ser. II. 245 All the Italian editions continued to be reprinted in the same truncated condition. 1845 R. W. Hamilton Inst. Pop. Educ. v. 97 The truncated frame of man is without power of locomotion or external action. 1890 J. Stalker Imago Christi (1891) v. 104 It is a truncated and most imperfect friendship when this region is closed. This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022). < adj.1486
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