Protista

[proh-tis-tuh] /proʊˈtɪs tə/
noun, (used with a plural verb) Biology
1.
a taxonomic kingdom comprising the protists.
Origin
1875-80; < Neo-Latin; see protist
Protista in Medicine

Protista Pro·tis·ta (prō-tĭs'tə)
n.
A former taxonomic kingdom made up of eukaryotic, unicellular organisms. Members of Protista now belong to the kingdom Protoctista, a new classification in most modern taxonomic systems.