protozoan

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pro·to·zo·an

 (prō′tə-zō′ən) also pro·to·zo·on (-ŏn′)
n. pl. pro·to·zo·ans or pro·to·zo·a (-zō′ə) also pro·to·zo·ons
Any of numerous chiefly single-celled eukaryotic organisms, most of which move about freely and ingest food, including the amoebas, ciliates, flagellates, and apicomplexans. Protozoans along with certain algae, oomycetes, and some other groups make up the protists.

[From New Latin Prōtozōa, former subkingdom name : proto- + -zōa, pl. of -zōon, -zoon.]

pro′to·zo′an, pro′to·zo′al, pro′to·zo′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

protozoan

(ˌprəʊtəˈzəʊən)
n, pl -zoa (-ˈzəʊə) or -zoanspl -zoa
(Animals) Also called: protozoon any of various minute unicellular organisms formerly regarded as invertebrates of the phylum Protozoa but now usually classified in certain phyla of protoctists. Protozoans include flagellates, ciliates, sporozoans, amoebas, and foraminifers
adj
(Animals) of or relating to protozoans
[C19: via New Latin from Greek proto- + zōion animal]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pro•to•zo•an

(ˌproʊ təˈzoʊ ən)

n., pl. -zo•ans, (esp. collectively) -zo•a (-ˈzoʊ ə)
adj. n.
1. any of various one-celled protist organisms that usu. obtain nourishment by ingesting food particles rather than by photosynthesis: classified as the superphylum Protozoa encompassing separate phyla according to means of movement, as by pseudopod, flagella, or cilia.
adj.
2. of, pertaining to, or characteristic of a protozoan.
[1860–65; < New Latin Protozo(a) (see proto-, -zoa) + -an1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

pro·to·zo·an

(prō′tə-zō′ən)
Any of a large group of one-celled organisms that have a cell nucleus and live in water or as parasites. Many protozoans move about by means of appendages known as cilia or flagella. Protozoans include the amoebas and paramecia and are classified as protists.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

protozoan

A unicellular organism such as an amoeba, belonging to the Protist kingdom.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.protozoan - any of diverse minute acellular or unicellular organisms usually nonphotosyntheticprotozoan - any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
protoctist - any of the unicellular protists
phylum Protozoa, Protozoa - in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers
sarcodine, sarcodinian - protozoa that move and capture food by forming pseudopods
rhizopod, rhizopodan - protozoa characterized by a pseudopod
arcella - an amoeba-like protozoan with a chitinous shell resembling an umbrella
difflugia - a protozoan with an ovoid shell of cemented sand grains
ciliate, ciliated protozoan, ciliophoran - a protozoan with a microscopic appendage extending from the surface of the cell
euglena - minute single-celled green freshwater organism having a single flagella; often classed as algae
flagellate, flagellate protozoan, flagellated protozoan, mastigophoran, mastigophore - a usually nonphotosynthetic free-living protozoan with whiplike appendages; some are pathogens of humans and other animals
plantlike flagellate - unicellular organisms having many characteristics of typical algae
sporozoan - parasitic spore-forming protozoan
cytostome - mouth of a protozoan
Adj.1.protozoan - of or relating to the Protozoa
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

protozoan

[ˌprəʊtəˈzəʊən]
A. N (protozoa (pl)) [ˌprəʊtəˈzəʊə] (Bio) → protozoo m
B. ADJprotozoico
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

protozoan

adjeinzellig
nProtozoon nt (spec), → Urtierchen nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

protozoan

adj protozoario; n protozoo, protozoario
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.