Alga
Pronunciation
- UK IPA: /ˈæl.ɡə/
Full definition of alga
Noun
alga
(plural algae)- (biology) Any of many aquatic photosynthetic organisms, whose size ranges from a single cell to giant kelps and whose form is very diverse; some are eukaryotic and some prokaryotic; includes the seaweeds.
Usage notes
Algaes is a non-standard plural.