protozoan
/ˌproʊ·t̬əˈzoʊ·ən/ n [C] (plural protozoans or protozoa /ˌproʊ·t̬əˈzoʊ·ə/)Definition
› biology a very small organism with only one cell
(Definition of protozoan n from the Cambridge Academic Content Dictionary
© Cambridge University Press)
Our dictionaries
Browse the Thesaurus
Browse the Dictionary
Word of the Day
be under a cloud
to not be trusted or popular because people think you have done something bad
Blog
Read our blog about how the English language behaves.
New Words
Find words and meanings that have just started to be used in English, and let us know what you think of them.
