a gnotobiotic animal.
Origin of gnotobiote
< Greek gnōt(ós) known + -o- + -biote, back formation from biotic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A germ-free animal infected with one or more microorganisms in order to study the microorganism in a controlled situation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.