English Dictionary

ammonite

IPA（発音記号）

/ˈæmənaɪt/

名詞

(paleontology) Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal.

日本語の意味

絶滅したアンモノイデ亜綱に属する頭足類の一群、およびその動物の化石としての殻

The geology professor passed around a polished ammonite during the lecture on Mesozoic marine life.

地質学の教授は中生代の海洋生物に関する講義で、磨かれたアンモナイトの化石を回して見せた。

意味（1）

(paleontology) Any of an extinct group of cephalopods of the subclass Ammonoidea; a fossil shell of such an animal.

Ammonites floated through the world's shallow oceans for more than three hundred million years, and their fossilized shells turn up all around the world.

ammonites （ plural ）