Ammonite Definition

ămə-nīt
ammonites
noun
ammonites
An extinct cephalopod mollusk of the order Ammonitida of the Permian to Cretaceous Periods, having a thick, usually coiled shell characterized by intricate suture patterns where the septa between individual chambers join the outer shell wall.
American Heritage
Any of the flat, usually coiled fossil shells of an extinct order (Ammonoidea) of cephalopod mollusks dominant in the Mesozoic era.
Webster's New World
An ammonoid.
American Heritage
A member of a Semitic people inhabiting ancient Ammon, mentioned frequently in the Bible.
American Heritage
The Semitic language of the Ammonites.
American Heritage
Synonyms:
pronoun

Extinct Canaanite language of the Ammonite people who used to live in modern-day northwest Jordan, and after whom its capital Amman is named. Extinct since 5th century BCE.

Wiktionary

Other Word Forms of Ammonite

Noun

Singular:
ammonite
Plural:
ammonites

Origin of Ammonite

  • From Late Latin Ammōnītēs the Ammonites from Hebrew ‘ammônî Ammonite from ‘ammôn Ammon perhaps of Canaanite origin ʕmm in Semitic roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • New Latin Ammōnītēs from Latin (cornū) Ammōnis (horn) of Amun, ammonite genitive of Ammōn Amun from Greek from Egyptian jmn

    From American Heritage Dictionary of the English Language, 5th Edition

  • French ammonite, from Latin ammonis (cornua) "(horns of) Ammon".

    From Wiktionary

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