pro·to·stome 
(prōttə-stōm′)
(prōttə-stōm′)n.
Any of numerous invertebrate animals of the group Protostomia, in which the mouth develops from the first opening in the embryo and the anus develops later, and including the mollusks, annelids, and arthropods.
[From New Latin Prōtostomia, taxon name : PROTO- + New Latin stoma; see STOMA.]
- crystalliferous
- crystalligerous
- crystallin
- crystalline
- crystalline lens
- crystallinity
- crystallite
- crystallitic
- crystallizable
- crystallization
- crystallize
- crystallizer
- crystallo-
- crystallographer
- crystallographic
- crystallographical
- crystallographically
- crystallography
- crystalloid
- crystalloidal
- crystal pleat
- crystal radio
- crystal set
- crystal violet
- cry uncle