出典:Wiktionary
出典:『Wiktionary』 (2025/08/23 00:47 UTC 版)
Borrowed from New Latin mastoīdēs, from Ancient Greek μᾰστοειδής (măstoeidḗs, “like a breast”), from μᾰστός (măstós, “a woman's breast”) + -ειδής (-eidḗs, “-like, -oid”).
mastoid (not comparable)
mastoid (plural mastoids)
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