ammonoid

n. 菊石(已灭绝的头足动物)

词形变化

ammonoids 复数 ammonoids more ammonoid 比较级 most ammonoid 最高级

释义与例句

n.
  1. 1.

    An extinct cephalopod of the subclass †Ammonoidea (including ammonites).

adj.
  1. 1.

    Characteristic of an ammonite.

词汇关系

名词

同义词 1

ammonite

上位词 1

fossil

词源

From the scientific name Ammonoidea, equivalent to Ammon + -oid.

来源：wiktionary