Protist

Full definition of protist

Noun

1. (microbiology) Any of the eukaryotic unicellular organisms including protozoans, slime molds and some algae; historically grouped into the kingdom Protoctista.
1. single celled eukaryotes + prokaryotes + sponges to 1959
2. single-celled eukaryotes + prokaryotes 1959 - 1969
3. single celled eukaryotes 1969 -

Related terms

• protistologist
• protistology
• protistological