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1. To make mixed or mongrel in line, breed, race, character, kind, quality, etc. by mixing two or more strains.

2. Attenuating the quality of a a cell line or breed by interbreeding.
Example: American English is a mongrelization of many different languages.

Example: The purebred poodle's line was mongrelized when a beagle sired the litter.
Example: Mongrelization of the wolf and coyote lines has given rise to the more long-legged east coast coyote.
interbreed mingle cross-pollinate mongrelize blend cross-breed mix attenuate contaminate hybridize
by sciwriter December 07, 2013
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