gnotobiotics[nō′tō bī ät′iks]
the study of organisms raised in germ-free conditions: often a specific microorganism is also introduced
noun(used with a sing. verb)
The study of organisms or environmental conditions that have been rendered free of bacteria or contaminants or into which a known microorganism or contaminant has been introduced for research purposes.
Origin of gnotobioticsGreek gnōtos, known; see gnō- in Indo-European roots + biotics, study of living organisms.