a combining form meaning “that which produces,” used in the formation of compound words: endogen; hydrogen.
Origin of -gen
< French -gène ≪ Greek -genēs born, produced; akin to Latin genus, kin
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British Dictionary definitions for -gen
suffix forming nouns
producing or that which produceshydrogen
Word Origin for -gen
via French -gène, from Greek -genēs born
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
Medicine definitions for -gen
One that is produced:phosgene.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.