英和和英

語源

From Ancient Greek ὀμματίδιον (ommatídion, “little eye”), equivalent to ὄμμα (ómma, stem ὄμματ-) + -idium.

発音

• (英国発音) IPA: /ɒməˈtɪdɪəm/
• (Canada) IPA: /ɑməˈtɪdɪəm/

名詞

ommatidium (plural ommatidia)

1. (zoology) One of the conical substructures which make up the eyes of invertebrates with compound eyes.
   • 1996, Michael J. Roberts, Spiders of Britain and Northern Europe, Collins, published 1996, page 12:

     The ‘compound’ eyes of insects [...] are made up of large numbers of facets or ommatidia, and in this sense, our own eyes are ‘simple’.

派生語

発音

• (Classical Latin) IPA: [ɔm.maˈtɪ.di.ũː]
• (modern Italianate Ecclesiastical) IPA: [om.maˈt̪iː.d̪i.um]

名詞

ommatidium n (genitive ommatidiī or ommatidī); second declension

1. ommatidium

語形変化

Second-declension noun (neuter).

Found in older Latin (until the Augustan Age).

参考

• aumātium