protomammal
noun
(An informal name for) a hypothetical primitive mammal or a known evolutionary ancestor of the mammals.
Origin
1930s.
- biocatalytic
- biocellate
- biocenosis
- biocentric
- biocentrically
- biocentrism
- biocentrist
- bioceramic
- biochar
- biochem
- biochemic
- biochemical
- biochemical engineering
- biochemically
- biochemical oxygen demand
- biochemist
- biochemistry
- biochip
- biochore
- biochrome
- biochronologic
- biochronological
- biochronologically
- biochronology
- biocidal