Wordnet 3.0
ADJECTIVE (1)
1.
of or resembling algae;
The Collaborative International Dictionary of English v.0.48:
Algoid \Al"goid\, a. [L. alga + -oid.]
Of the nature of, or resembling, an alga.
[1913 Webster]
WordNet (r) 3.0 (2006):
algoid
adj 1: of or resembling algae