英和和英

語源

Borrowed from Latin operculum.

発音

• (英国発音) IPA: /əʊˈpɜː.kjʊ.ləm/
• (米国発音) IPA: /oʊˈpɝ.kjə.ləm/

名詞

operculum (plural opercula)

1. (zoology) A covering flap in animals, such as a gill cover.
   • 2017 January 18, Susannah Lydon, The Guardian‎:

     Hyoliths […] have a small, conical calcium carbonate shell, with a lid called an operculum.

2. (botany) The lidlike portion of a moss sporangium or of a fruit that detaches to allow the dispersal of spores or seeds.
3. (dentistry) A gum flap covering (part of) a partially erupted tooth, usually a wisdom tooth.
4. A structure which serves as a cover or lid.
   • 1900 December – 1901 August, H[erbert] G[eorge] Wells, chapter IX, in The First Men in the Moon, London: George Newnes, […], published 1901, →OCLC, page 95:

     I lifted the circular operculum from its place and laid it carefully on the bale.

5. (anatomy) One of several flaps of cerebral cortex covering the insula. (clarification of this definition is needed.)

派生語

• operculiferous
• operculitis
• preoperculum
• interoperculum
• suboperculum

関連する語

• opercle

発音

• (Classical Latin) IPA: [ɔˈpɛr.kʊ.ɫũː]
• (modern Italianate Ecclesiastical) IPA: [oˈpɛr.ku.lum]

名詞

operculum n (genitive operculī); second declension

1. cover, covering

語形変化

Second-declension noun (neuter).

派生した語

• → English: opercle, operculum
• → French: opercule
• → Italian: opercolo
• → Portuguese: opérculo
• → Spanish: opérculo

参照

• “operculum”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “operculum”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “operculum”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• “operculum”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers