dictionary help| ammonitoidea | medical dictionary |
<zoology> An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite.
Origin: NL, fr. Ammonite.
(01 Mar 1998)
ammoniated tincture, ammonio-, ammonite, ammonitiferous < Prev | Next > ammonium, ammonium benzoate, ammonium bromide
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