1. eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae; [syn: Protista, division Protista]
WordNet (r) 3.0 (2006):
division Protista
n 1: eukaryotic one-celled living organisms distinct from
multicellular plants and animals: protozoa, slime molds,
and eukaryotic algae [syn: Protista, division Protista]