ammonoid
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ammonoid — /am euh noyd /, n. any cephalopod mollusk of the extinct order Ammonoidea, from the Devonian to the Cretaceous periods, having a coiled, chambered shell. [1880 85; < NL Ammonoidea, equiv. to Ammon(ites) name of the order + oidea OIDEA; see… … Universalium
ammonoid — noun Date: 1884 ammonite < Mesozoic ammonoids > … New Collegiate Dictionary
ammonoid — adj. [Gr. Ammon, Jupiter] (MOLLUSCA: Cephalopoda) Pertaining to a shell covered cephalopod … Dictionary of invertebrate zoology
ammonoid — 1. noun ammonite 2. adjective Characteristic of an ammonite … Wiktionary
ammonoid — n. extinct cephalopod mollusk … English contemporary dictionary
ammonoid — am·mo·noid … English syllables
ammonoid — am•mo•noid [[t]ˈæm əˌnɔɪd[/t]] n. pal ammonite … From formal English to slang
ammonoid — noun one of the coiled chambered fossil shells of extinct mollusks • Syn: ↑ammonite • Derivationally related forms: ↑ammonitic (for: ↑ammonite) • Hypernyms: ↑fossil … Useful english dictionary
ammonite — ammonoid ammonoid n. 1. one of the coiled chambered fossil shells of extinct mollusks; same as {ammonite}. Syn: ammonite [WordNet 1.5] … The Collaborative International Dictionary of English
Ammonite — For other uses, see Ammonite (disambiguation). Ammonites Temporal range: 400–65.5 Ma … Wikipedia
