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ammonium sulfate
ammonoid
ammunition
amnesia
amnesty
Amnesty International
amnia
amnio
amniocentesis
amniography
amnion
amnioscopy
amniote
amniotic fluid
amniotic sac
amniotomy
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ammonite (1)
am·mo·nite [ ámmə nt ] (plural am·mo·nites)


noun 
Definition:
 
1. extinct sea animal: an extinct invertebrate ocean animal with a flat partitioned spiral shell, belonging to the ammonoids
2. ammonite fossil: the fossilized shell of an ammonite
[Mid-18th century. < modern Latin ammonites< medieval Latin cornu Ammonis "horn of Ammon"]

am·mo·nit·ic [ àmmə níttik ] adjective
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