operculen.

Brit.

/ə(ʊ)ˈpəːkjuːl/,

/ˈəʊpəkjuːl/, U.S.

/oʊˈpərˌkjul/,

/ˈoʊpərˌkjul/

Origin: A borrowing from French. Etymon: French opercule.

Etymology: < French opercule (1736 in zoology, 1767 in botany) < classical Latin operculum cover, covering, lid (see operculum n.); compare -cule suffix. Compare earlier operculum n.

Zoology and Botany. Now disused.

An operculum.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > parts of mollusc

ungulaa1382

mantlea1475

trunk1661

diaphragm1665

lid1681

operculum1681

ear1688

beard1697

corslet1753

scar1793

opercle1808

pleura1826

pallium1834

byssus1835

cephalic ganglia1835–6

opercule1836

lingual ribbon1839

tube1839

cloak1842

test1842

collar1847

testa1847

rachis1851

uncinus1851

land-shell1853

mantle cavity1853

mesopodium1853

propodium1853

radula1853

malacology1854

gill comb1861

pallial cavity1862

tongue-tootha1877

mesopode1877

odontophore1877

pallial chamber1877

shell-gland1877

rasp1879

protopodium1880

ctenidium1883

osphradium1883

shell-sac1883

tooth-ribbon1883

megalaesthete1885

rachidian1900

scungille1953

tentacle-sheath-

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Entomostraca > order Cirripedia > member of > parts of > flap or lid of shell

operculum1681

opercle1808

opercule1836

1836 J. Coldstream in Todd's Cycl. Anat. & Physiol. I. 685/1 The opening in the summit of the cone is closed by an opercule.

1862 D. T. Ansted & R. G. Latham Channel Islands ii. ix. 210 Lower part of opercule somewhat toothed.

1925 tr. J. Verne 20,000 Leagues under Sea ii. i. 197 In the eighty-ninth genus of fishes.., belonging to the second lower class of bony, characterised by opercules and bronchial membranes, I remarked the scorpaena.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online June 2022).

单词	opercule
释义	operculen. Brit. /ə(ʊ)ˈpəːkjuːl/, /ˈəʊpəkjuːl/, U.S. /oʊˈpərˌkjul/, /ˈoʊpərˌkjul/ Origin: A borrowing from French. Etymon: French opercule. Etymology: < French opercule (1736 in zoology, 1767 in botany) < classical Latin operculum cover, covering, lid (see operculum n.); compare -cule suffix. Compare earlier operculum n. Zoology and Botany. Now disused. An operculum. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > mollusc or shell-fish > parts of mollusc ungulaa1382 mantlea1475 trunk1661 diaphragm1665 lid1681 operculum1681 ear1688 beard1697 corslet1753 scar1793 opercle1808 pleura1826 pallium1834 byssus1835 cephalic ganglia1835–6 opercule1836 lingual ribbon1839 tube1839 cloak1842 test1842 collar1847 testa1847 rachis1851 uncinus1851 land-shell1853 mantle cavity1853 mesopodium1853 propodium1853 radula1853 malacology1854 gill comb1861 pallial cavity1862 tongue-tootha1877 mesopode1877 odontophore1877 pallial chamber1877 shell-gland1877 rasp1879 protopodium1880 ctenidium1883 osphradium1883 shell-sac1883 tooth-ribbon1883 megalaesthete1885 rachidian1900 scungille1953 tentacle-sheath- the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > subclass Entomostraca > order Cirripedia > member of > parts of > flap or lid of shell operculum1681 opercle1808 opercule1836 1836 J. Coldstream in Todd's Cycl. Anat. & Physiol. I. 685/1 The opening in the summit of the cone is closed by an opercule. 1862 D. T. Ansted & R. G. Latham Channel Islands ii. ix. 210 Lower part of opercule somewhat toothed. 1925 tr. J. Verne 20,000 Leagues under Sea ii. i. 197 In the eighty-ninth genus of fishes.., belonging to the second lower class of bony, characterised by opercules and bronchial membranes, I remarked the scorpaena. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online June 2022). < n.1836
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