Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun red_algae

1 sense of red algae

Sense 1
red algae -- (marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan)
       => alga, algae -- (primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves)