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单词 capitate
释义

capitateadj.n.

Brit. /ˈkapᵻteɪt/, U.S. /ˈkæpəˌteɪt/
Origin: A borrowing from Latin. Etymon: Latin capitātus.
Etymology: < classical Latin capitātus having or forming a head < capit- , caput head (see caput n.) + -ātus -ate suffix2. Compare capitation n.
A. adj.
1. Botany and Zoology. Of an organ or part, esp. a long and narrow one: having a distinct head; knob- or pin-headed.
ΘΚΠ
the world > life > biology > physical aspects or shapes > projection or protuberance > [adjective] > rounded projection
nodous1646
tuberous1650
papillar1651
verrucous1656
capitate1661
clavate1661
papillary1667
warty1693
tuberculated1696
papillous1718
tubercular1719
clavated1728
tuberculous1732
mammillated1744
tubercled1746
papillose1752
torulous1752
tuberculose1752
tuberculate1777
tubercle-like1792
mastoid1800
tuberculiferous1802
ventricose1804
torulose1806
papillated?a1808
tuberculiform1817
bullated1822
nodulous1822
tuberiform1822
nodulated1824
papilliform1824
mammular1826
papilliferous1826
nodulose1828
knuckled1842
mamelonated1843
tuberculoid1853
papillate1857
mammilloid1859
tuberculosquamous1866
bosselated1873
papulate1876
bulbar1878
tubero-cystic1879
mammulose1889
1661 R. Lovell Πανζωορυκτολογια, sive Panzoologicomineralogia sig. *7 Gudgin capitate and not capitate.
1760 J. Lee Introd. Bot. i. xiv. 36 The Figure of the Stigma is either Capitate, headed, as in Tribulus..; Globose, Globe-shaped, as in Primula..; [etc.].
1807 J. E. Smith Introd. Physiol. & Systematical Bot. 274 [The Pistil] capitate, forming a little round head.
1848 J. D. Dana U.S. Exploring Exped.: Zoophytes (new ed.) 135 Tentacles long and capitate.
1881 P. Henderson Handbk. Plants 306/1 Capitate, having a head; pin-headed, as the stigma of the Primrose.
1931 K. M. Smith Textbk. Agric. Entomol. vi. 45 Head somewhat narrow with finely capitate hairs; eyes black; ocelli well developed; [etc.].
1979 Brittonia 31 144 The teeth deltoid, aristulate to aristate or capitate by a sessile pelviform gland.
2005 Internat. Jrnl. Plant Sci. 166 851/1 Metcalfe and Chalk reported that uniserate and glandular capitate hairs also occur in Platanus.
2. Botany. Designating or having an inflorescence consisting of a close terminal cluster or head of flowers, typical of the members of the family Asteraceae ( Compositae). Also in the names of plants having flower heads of this type.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [adjective] > formed into an inflorescence
tufted1629
capitated1682
coronated1682
capitate1687
aggregate1693
aggregated1706
1687 Philos. Trans. 1686–7 (Royal Soc.) 16 285 The capitate Herb, whose flowers are fistular.
1756 J. Hill Brit. Herbal 431 Linnæus places this with the other capitate plants among the syngenesia.
1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. x. 107 Capitate flowers like the thistles.
1837 Trans. Amer. Philos. Soc. 5 147 Remarkably distinguished by its conglomerated and almost capitate panicles.
1861 A. Pratt Flowering Plants & Ferns Great Brit. V. 298 Dense-headed Rush, or Capitate Rush.
1929 J. W. Bews World's Grasses i. 18 By a shortening of the main axis the false spike becomes headlike or capitate.
1988 Harrowsmith Jan. 66/1 Capitate false sagebrush, a six-inch perennial that forms loose mats of silver-grey foliage and has yellow flowers in summer.
2000 Amer. Jrnl. Bot. 87 1385 Brownea latifolia has cauliflorous capitate flower clusters that arise as racemes.
B. n.
Anatomy. = capitate bone n. at Compounds.
ΘΚΠ
the world > life > the body > structural parts > bone or bones > bones of arm or leg > bones of arm > [noun] > bones of forearm > bones of wrist
navicular?a1425
navicular bone?a1425
wrist-bone1552
carpus1686
scaphoid bone1741
pisiform bone1753
pisiform1808
trapezoid1828
trapezium1840
unciform1840
scaphoid1846
carpal1854
lunar1854
centrale1870
radiale1870
intermedium1878
lunar bone1887
capitate1889
triquetral bone1913
1889 J. K. Young Synopsis Human Anat. 65 Os magnum, or capitate, the largest carpal bone, consists of a body, neck, and head.
1930 Science 27 June 647/1 The articular surface extends from the lunate down past the upper end of the capitate (magnum) to the lesser multangular (trapezoid).
2004 L. Scheuer & S. Black Juvenile Skeletion ix. 298 The normal sequence of appearance for the carpal bones is that the capitate appears first, followed closely by the hamate.

Compounds

capitate bone n. [after scientific Latin os capitatum (1749 or earlier)] Anatomy the largest of the bones of the human wrist, located in the distal row of carpal bones and having a prominent head.Until the Basle Nomina Anatomica (1895), this bone was more commonly called os magnum.
ΚΠ
1861 J. Leidy Elem. Treat. Human Anat. 138 The capitate bone, the largest of the second carpal row, has a prominent convex head articulating with the scaphoid, lunar, and unciform bones.
1913 Cunningham's Text-bk. Anat. (ed. 4) 223 An exceptional case..in which the centres for the capitate and triquetral bones were already present [at birth].
2005 Jrnl. Biomechanics 38 1592/1 All subjects were right-handed, and their hand lengths, measured as the distance from the tip of digit 3 to the dorsal groove between the lunate and capitate bones, ranged from 142.4 to 182.5 mm.

Derivatives

ˈcapitated adj. Botany and Zoology = sense A.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > inflorescence or collective flower > [adjective] > formed into an inflorescence
tufted1629
capitated1682
coronated1682
capitate1687
aggregate1693
aggregated1706
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having or relating to parts > of or having stamens or pistils > of or having style, pistil, or female parts > having specific quantity, form, or arrangement
capitated1682
included1751
pinheaded1751
monogynous1757
pentagynous1772
trigynous1775
monogynian1787
polygynous1795
pin-eyed1810
heptagynian1828
pentagynian1828
polygynian1828
tetragynian1828
octagynous1836
stigmatose1840
polygynious1841
heptagynious1854
monogynious1857
octagynious1857
pentagynious1857
tetragynious1860
tetrastylous1860
trigynious1860
monogynic1891
tristigmatose1891
tristylous1891
tetragynous1899
tristigmatic1900
1682 N. Grew Anat. Plants iv. ii. App. 176 Without Stalks, that is, Capitated, as in Scabious.
1726 R. Bradley Gen. Treat. Husbandry & Gardening (rev. ed.) I. 272 The capitated Herbs, or such whose Flower is compos'd of many small, long, hollow Flowers, gather'd together in a round Button Ball or Head.
1840 Trans. Entomol. Soc. London 1837–40 2 242 At least one genus of insects with capitated antennæ (Lucani) employ them as tactors.
1972 Willdenowia Beiheft No. 7. 265 Leptocystidia 40–50 × 6–7 μ, the apical part capitated.
1999 Jrnl. N.Y. Entomol. Soc. 107 79 (caption) Apical subsegment of Ant. IV, showing the capitated sense rod.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online December 2021).

capitatev.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin capit- , caput , -ate suffix3.
Etymology: < classical Latin capit-, caput head (see caput n.) + -ate suffix3. Compare post-classical Latin capitare to provide (a plough) with a head (from 13th cent. in British sources). Compare earlier (in different sense) capitate adj. N.E.D. (1888) gives the pronunciation as (kæ·piteit) /ˈkæpɪteɪt/.
Mathematics. Obsolete. rare.
transitive. In A. Cayley's symbolical method of calculating semi-invariants: to prefix a digit to (a number) that is greater than or equal to the largest digit in the number.
ΘΚΠ
the world > relative properties > number > mathematical notation or symbol > indicate with figures [verb (transitive)] > prefix a figure
capitate1884
1884 A. Cayley in Amer. Jrnl. Math. 7 10 We capitate a symbol by prefixing to it a number which is not less than the highest number contained in it: thus 552 may be capitated into 5552, 6552, etc.
1886 Amer. Jrnl. Math. 8 112 The complete set of these is obtained by first capitating all the Quintic Syzygies with 4.2 throughout.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online June 2021).
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adj.n.1661v.1884
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