Date: 1800-1900
Language: Modern Latin
Origin: Greek, 'first animal'

protozoan

noun
     
pro‧to‧zo‧an , , pro‧to‧zo‧on plural protozoa or protozoans [countable]
HBM a very small living thing that has only one cell
protozoan adjective

Dictionary results for "protozoan"
Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.