fossil word
(organic chemistry) Any dibromo derivative of cholestane
present participle of mineralogize
(linguistics) A word that is broadly obsolete but remains in current use because it is contained within an idiom that is still in use.
plural of Dinsdale
「thou」は日常会話ではほとんど使われなくなっているが、いくつかの典礼的・詩的表現には慣用句に残る化石語として今も見られる。
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