coliform

coliform
co·li·form 'kō-lə-.fȯrm, 'käl-ə- adj of, relating to, or being gram-negative rod-shaped bacteria (as E. coli) normally present in the intestine <monitored \coliform levels in drinking water>
coliform n

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col·i·form (koґlĭ-form) [L. colum a sieve] 1. a collective term denoting enteric, fermentative gram-negative rods, and sometimes restricted to the lactose-fermenting, gram-negative enteric bacilli, i.e., Citrobacter, Edwardsiella, Enterobacter, Escherichia, Klebsiella, and Serratia. 2. any organism of that group.

Medical dictionary. 2011.

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  • coliform — [kō′lə fôrm΄, käl′əfôrm΄] adj. [ COL(ON) + I + FORM] designating, of, or like the aerobic bacillus normally found in the colon: a coliform count is often used as an indicator of fecal contamination of water supplies …   English World dictionary

  • coliform — 1850s, resembling a sieve, from L. colum strainer; meaning resembling a bacillus of the coli group is from 1906, from coli + form …   Etymology dictionary

  • coliform — adjective Date: 1906 of, relating to, or being gram negative rod shaped bacteria (as E. coli) normally present in the intestine < monitored coliform levels in drinking water > • coliform noun …   New Collegiate Dictionary

  • coliform — /kol euh fawrm , koh leuh /, adj. 1. of, pertaining to, or resembling a coliform bacillus. n. 2. See coliform bacillus. [1850 55; < NL coli, gen. of L colum, colon COLON2 (the specific epithet of various species of bacteria inhabiting the colon,… …   Universalium

  • coliform — adj. pertaining to or resembling a coliform bacillus (type of intestinal bacteria) …   English contemporary dictionary

  • coliform — I. ˈkälə̇ˌfȯrm, ˈkōl adjective Etymology: col (II) + form : relating to, resembling, or being the colon bacillus II. noun ( s) Etymology: by shortening …   Useful english dictionary

  • Coliform index — The coliform index is a rating of the purity of water based on a count of fecal bacteria. Coliform bacteria are microorganisms that primarily originate in the intestines of warm blooded animals. By testing for coliforms, especially the well known …   Wikipedia

  • Coliform bacteria — Not to be confused with Coliiformes. Escherichia coli Coliform bacteria are a commonly used bacterial indicator of sanitary quality of foods and water. They are defined as rod shaped Gram negative non spore forming bacteria which can ferment… …   Wikipedia

  • Coliform Index — The Coliform Index is a rating of the purity of water based on a count of fecal bacteria. Coliform bacteria are microorganisms that primarily originate in the intestines of warm blooded animals. By testing for coliforms, especially the well known …   Wikipedia

  • coliform bacillus — Bacteriol. any of several bacilli, esp. Escherichia coli and members of the genus Aerobacter, found as commensals in the large intestine of humans and certain other animals, the presence of which in water indicates fecal pollution. Also called… …   Useful english dictionary

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