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Related to red algae: red tide
(Plants) the numerous algae that constitute the phylum Rhodophyta, which contain a red pigment in addition to chlorophyll. The group includes carrageen, dulse, and laver. Also called: red seaweed
marine algae of the phylum Rhodophyta in which the chlorophyll is masked by a red or purplish pigment.
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|Noun||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
sea moss - any of various red algae having graceful rose to purple fronds (e.g. dulse or carrageen)
carageen, carrageen, carragheen, Chondrus crispus, Irish moss - dark purple edible seaweed of the Atlantic coasts of Europe and North America
carpospore - a nonmotile spore of red algae