Search Result for "red algae":
Wordnet 3.0

NOUN (1)

1. marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan; 



WordNet (r) 3.0 (2006):

red algae
    n 1: marine algae in which the chlorophyll is masked by a red or
         purplish pigment; source of agar and carrageenan