Word Study
ammonification |
ammonify |
ammonite |
ammonitic |
ammonitiferous |
ammonitoidea
| ammonium
| ammonium alum
| ammonium carbamate
| ammonium carbonate
| ammonium chloride
ammonitoidea
CIDE DICTIONARY
ammonitoidea, n. pl. [NL., fr. Ammonite + -oid.].
An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite. [1913 Webster]
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