pro·tist (pr  t st)n. 1. Any of a group of eukaryotic organisms belonging to the kingdom Protista according to some widely used modern taxonomic systems. The protists include a variety of unicellular, coenocytic, colonial, and multicellular organisms, such as the protozoans, slime molds, brown algae, and red algae. 2. A unicellular protoctist in taxonomic systems in which the protoctists are considered to form a kingdom. [From New Latin Pr tista, former kingdom name, from Greek prtista, neuter pl. of prtistos, the very first, superlative of prtos, first; see per1 in Indo-European roots.]pro·tis tan (-tst n) adj. & n.pro  tis·tolo·gy (prt-st l-j ) n. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | protistan - free-living or colonial organisms with diverse nutritional and reproductive modes micro-organism, microorganism - any organism of microscopic size division Protista, Protista - eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae |
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