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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. cviv, 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. 95v 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).
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adj.1486
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更新时间:2025/3/21 21:10:33