protobranch
/ˈprəʊtə(ʊ)braŋk/Zoology and Palaeontology
noun
A bivalve mollusc of the relatively primitive subclass Protobranchia, whose members are characterized by gills having a simple leaflike structure.
adjective
Designating, relating to, or characterized by a type of molluscan gill having a simple, leaflike structure, as in bivalve molluscs of the subclass Protobranchia.
Origin
Late 19th century; earliest use found in American Naturalist. From proto- + -branch, after scientific Latin Protobranchia, subclass name.
- ventral
- ventral fin
- ventrally
- ventre à terre
- ventricle
- ventricose
- ventricular
- ventriculography
- ventriloquial
- ventriloquise
- ventriloquism
- ventriloquist
- ventriloquize
- ventriloquy
- ventripotent
- ventrolateral
- ventrolaterally
- ventromedial
- ventromedially
- Ventura
- Ventura, Jesse
- venture
- venture capital
- venture capitalism
- venture capitalist