protozoan
pro‧to‧zo‧an /ˌprəʊtəˈzəʊən $ ˌproʊtəˈzoʊən/ (also pro‧to‧zo‧on /-ˈzəʊɒn $ -ˈzoʊɑːn/) noun (plural protozoa /-ˈzəʊə $ -ˈzoʊə/ or protozoans) [countable]
Irregular Forms: (pl) protozoa
pro‧to‧zo‧an /ˌprəʊtəˈzəʊən $ ˌproʊtəˈzoʊən/ (
also pro‧to‧zo‧on /-ˈzəʊɒn $ -ˈzoʊɑːn/)
noun (
plural protozoa /-ˈzəʊə $ -ˈzoʊə/
or protozoans)
[countable][
Date: 1800-1900;
Language: Modern Latin;
Origin: Greek, 'first animal']
a very small living thing that has only one cell
—protozoan adjective [TahlilGaran] Dictionary of Contemporary English ▲