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单词 bivalved
释义

bivalvedadj.

Etymology: Formed as bivalve adj. + -ed suffix1.Previous versions of the OED give the stress as: ˈbivalved.
= bivalve adj.:
a. in Zoology.
ΘΚΠ
the world > animals > animal body > general parts > covering or skin > [adjective] > having a hard protective covering > having a shell > having specific number or type of shell
bivalve1661
bivalvular1677
bivalvous1696
bivalved1755
inequivalve1777
inequivalved1816
inequivalvular1828
1755 Gentleman's Mag. Jan. 31/2 A shell is said to be bivalved when it consists of two parts or leaves.
1872 H. A. Nicholson Man. Palæontol. 159 Small Bivalved Crustaceans.
b. in Botany.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > seed > seed-vessel or pericarp > [adjective] > having or between divisions or sections
bivalve1737
valved?1768
trivalvular1785
multivalve1793
univalvular1793
univalved1823
bivalvular1830
intervalvular1830
bivalved1852
1852 E. Hamilton Flora Homœopath. 185 A thin, bivalved, white, ligneous shell (endocarp).
This entry has not yet been fully updated (first published 1887; most recently modified version published online June 2019).
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adj.1755
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