藻類,海藻
Alga \Al"ga\, n.; pl. {Alg[ae]}. [L., seaweed.] (Bot.)
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
conferv[ae], etc.
alga
n : primitive chlorophyll-containing mainly aquatic eukaryotic
organisms lacking true stems and roots and leaves [syn: {algae}]