Origin of gnotobiotic

First recorded in 1945–50; gnotobiote + -ic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

gnotobiotic in Medicine


  1. Of or relating to gnotobiology.
  2. Free of germs or associated only with known or specified germs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.