Dictionary.com

Protozoa

[ proh-tuh-zoh-uh ]
/ ˌproʊ təˈzoʊ ə /
Save This Word!

noun
a major grouping or superphylum of the kingdom Protista, comprising the protozoans.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of Protozoa

From New Latin, dating back to 1825–35; see origin at proto-, -zoa
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use Protozoa in a sentence

Medical definitions for Protozoa

protozoa
[ prō′tə-zōə ]

n.
Plural ofprotozoan
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Cultural definitions for Protozoa

protozoa
[ (proh-tuh-zoh-uh) ]

Single-celled animals, such as amoebas, that are the most primitive form of animal life. In modern biology, they are classified in the kingdom of Protoctista rather than in the animal kingdom. (See Linnean classification.)

notes for protozoa

Some protozoa are parasites and may be pathogenic, causing diseases such as malaria and dysentery.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK