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noun
a major grouping or superphylum of the kingdom Protista, comprising the protozoans.
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Protozoa
is always a great word to know.
So is gobo. Does it mean:
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a fool or simpleton; ninny. |
Dictionary.com Unabridged
pro·to·zo·an
[proh-tuh-zoh-uhn] noun, plural pro·to·zo·ans, (especially collectively) pro·to·zo·a [-zoh-uh] , adjective Biology noun
1.
any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their capacity for and means of motility, as by pseudopods, flagella, or cilia.
adjective
2.
of, pertaining to, or characteristic of a protozoan.
Origin:
singular of Protozoa
singular of Protozoa
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To protozoa
Etymonline
Word Origin & History
protozoa
1834, from Mod.L., coined 1818 by Ger. zoologist Georg August Goldfuss (1782-1848) from Gk. protos "first" + zoia, pl. of zoion "animal" (see zoo).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
protozoa pro·to·zo·a (prō'tə-zō'ə)
n.
Plural of protozoan.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
| protozoan (prō'tə-zō'ən) Pronunciation Key
Plural protozoans or protozoa Any of a large group of one-celled organisms (called protists) that live in water or as parasites. Many protozoans move about by means of appendages known as cilia or flagella. Protozoans include the amoebas, flagellates, foraminiferans, and ciliates. Their traditional classification as the subkingdom Protozoa is still used for convenience, but it is now known that protozoans represent several evolutionarily distinct groups. See more at protist. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
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.)
Note: Some protozoa are parasites and may be pathogenic, causing diseases such as malaria and dysentery.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Dynamo Rating For Protozoa
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