alga
/ˈæl.ɡə/ noun
Forms algae algæ
- noun (biology) Any of many aquatic photosynthetic organisms, including the seaweeds, whose size ranges from a single cell to giant kelps and whose biochemistry and forms are very diverse, some being eukaryotic.
Synonyms
Etymology
From Latin alga.
Webster’s 1913
- noun A kind of seaweed; pl. the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervæ, etc.
Etymology [L., seaweed.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “alga”, CC BY-SA 4.0. Details