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germfree

American  
[jurm-free, -free] / ˈdʒɜrmˈfri, -ˌfri /
Or germ-free

adjective

  1. free of germs; sterile.

    This kind of research should be done in a germfree laboratory.

  2. (of experimental animals) born and raised under sterile conditions.


Etymology

Origin of germfree

First recorded in 1930–35; germ + -free

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

If you take mice that are germfree, those that have a sterile gut with no commensal bacteria, the phenomenon of oral tolerance does not occur.

From Scientific American • Feb. 23, 2015

Examples: perfect ball bearings, formed outside the distorting pull of gravity; mixing pure Pharmaceuticals in the germfree vacuum of space.

From Time Magazine Archive

It was Reyniers, 53, who pioneered in germfree animal work for 30 years at the University of Notre Dame.

From Time Magazine Archive

Virtually all the germfree colonies now multiplying in a dozen medical centers on four continents are either descended from Reyniers' stock or were developed by his methods.

From Time Magazine Archive

Tiny amounts of moon material will be injected into germfree mice, which will then be observed for signs of strange or unknown illnesses.

From Time Magazine Archive

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