Definition of biovolume in US English:

biovolume

noun

Biology
  • The volume occupied by organisms of a particular kind (typically an alga or fungus) in a sample or a region.

Origin

1970s; earliest use found in Annual Review of Ecology and Systematics.

Pronunciation

biovolume

/ˈbʌɪə(ʊ)ˌvɒljuːm/