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单词 unequivalved
释义

unequivalvedadj.

Forms: 1700s– unequivalve, 1800s– unequivalved.
Origin: A variant or alteration of another lexical item. Etymon:
Etymology: In form unequivalve an alteration (with prefix substitution: see un- prefix1) of inequivalve adj. Compare later equivalve adj. In form unequivalved an alteration (with prefix substitution: see un- prefix1) of inequivalved adj. at inequivalve adj. Derivatives. Compare later equivalved adj. at equi- comb. form .Previous versions of the OED give the stress as: unˈequivalve(d).
(un- prefix1 1.)
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [adjective] > of parts of molluscs > of shell or parts of shell
testaceous1668
trivalvous1681
articulate1685
tabulous1734
concamerated1747
costated1751
ribbed1752
multivalve1753
umbilical1755
multivalved1759
trichite1765
right-handed1776
ventricose1777
unequivalved1788
sinistral1803
white-lipped1813
white-mouthed1815
turriculated1822
umbonial1824
turreted1826
siphunculated1828
columellar1829
sinistrorsal1830
canaliferous1834
spirivalve1835
turrited1835
versant1839
mitriform1843
paucispiral1843
turriculate1843
siphuncled1847
ventricous1850
camerated1851
convolute1851
perforated1851
parietal1854
septiferous1854
planorbiform1856
planorboid1856
trivalved1856
turrite1856
siphunculate1875
turriform1875
umbonic1877
costate1881
interlocular1888
varicated1891
lirate1894
evolute1896
1788 J. Barbut Genera Vermium II. 42 The shell unequivalve, of a hard consistency.
1822 J. Parkinson Outl. Oryctol. 179 A regular unequivalved, inequilateral bivalve.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2022).
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adj.1788
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更新时间:2024/12/25 23:28:57