• synonyms


  1. a combining form meaning “green,” used in the formation of compound words: chlorine.
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Also especially before a consonant, chloro-1.

Origin of chlor-1

combining form of Greek chlōrós light green, greenish yellow; akin to yellow, gold, gleam


  1. a combining form used in the names of chemical compounds in which chlorine is present: chloramine.
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Also especially before a consonant, chloro-2.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for chlor-


combining form
  1. a variant of chloro-
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

chlor- in Medicine


  1. Variant ofchloro-
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.