Protozoan Pro`to*zo"an, a. (Zo["o]l.) Of or pertaining to the {Protozoa}. -- n. One of the Protozoa. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • protozoan — ► NOUN ▪ a single celled microscopic animal such as an amoeba. ► ADJECTIVE ▪ relating to protozoans. ORIGIN from Greek protos first + z ion animal …   English terms dictionary

  • protozoan — [prōt΄ō zōän΄, prōt΄ə zō′än΄] n. [< ModL Protozoa, name of the phylum (see PROTO & ZOA) + AN] protozoans or protozoa [prōt΄ə zō′ə] any of a subkingdom (protozoa) of microscopic animals made up of a single cell or a group of more or less… …   English World dictionary

  • protozoan — /proh teuh zoh euhn/, n., pl. protozoans, (esp. collectively) protozoa / zoh euh/, adj. Biol. n. 1. any of a diverse group of eukaryotes, of the kingdom Protista, that are primarily unicellular, existing singly or aggregating into colonies, are… …   Universalium

  • protozoan — UK [ˌprəʊtəˈzəʊən] / US [ˌproʊtəˈzoʊən] noun [countable] Word forms protozoan : singular protozoan plural protozoans or protozoa UK [ˌprəʊtəˈzəʊə] / US [ˌproʊtəˈzoʊə] biology a very small living thing made up of only one cell …   English dictionary

  • protozoan — noun Etymology: New Latin Protozoa, from prot + zoa Date: circa 1864 any of a phylum or subkingdom (Protozoa) of chiefly motile and heterotrophic unicellular protists (as amoebas, trypanosomes, sporozoans, and paramecia) that are represented in… …   New Collegiate Dictionary

  • protozoan — 1. noun Any of the diverse group of eukaryotes, of the phylum Protozoa, that are primarily unicellular, existing singly or aggregating into colonies, are usually nonphotosynthetic, and are often classified further into phyla according to their… …   Wiktionary

  • protozoan — 1. A member of the phylum Protozoa. SYN: protozoon. 2. Relating to protozoa. SYN: protozoal. * * * pro·to·zo·an zō ən n any protist of the phylum or subkingdom Protozoa protozoan adj of or relating to the phylum or subkingdom Protozoa * * * n. a …   Medical dictionary

  • protozoan — pro|to|zo|an [ˌprəutəˈzəuən US ˌproutəˈzouən] n , pro|to|zo|on [ ˈzəuɔn US ˈzoua:n]plural protozoa [ ˈzəuə US ˈzouə] or protozoans [Date: 1800 1900; : Modern Latin; Origin: Greek, first animal ] a very small living thing that has only one cell… …   Dictionary of contemporary English

  • protozoan — also noun (C) a single member of the protozoa protozoan adjective …   Longman dictionary of contemporary English

  • protozoan — pro•to•zo•an [[t]ˌproʊ təˈzoʊ ən[/t]] n. pl. zo•ans, (esp. collectively) zo•a [[t] ˈzoʊ ə[/t]] adj. 1) mcr any of various one celled protist organisms that usu. obtain nourishment by ingesting food particles rather than by photosynthesis:… …   From formal English to slang

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