Related Content
- Daily Word Quiz: deleterious
- Analogy of the Day: Today’s Analogy
- Spelling Bee: Today’s Spelling Bee
- Frequently Misspelled Words
- Frequently Mispronounced Words
- Easily Confused Words
- Writing & Language
ammonoid: Meaning and Definition of
am•mo•noid
Pronunciation: (am'u-noid"), [key]
— n.
- any cephalopod mollusk of the extinct order Ammonoidea, from the Devonian to the Cretaceous periods, having a coiled, chambered shell.
See also:
- ammonoid (Thesaurus)
