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primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

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 confervae, etc.

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 confervae, etc.

(pl. -ae). Sea-weed. Hence algal, algoid, algological, aa., algist (3), algologist, algology, nn. [Latin]