Dictionary

cross–resistance

noun cross–re·sis·tance \ˌkrs-ri-ˈzis-tən(t)s\

Definition of CROSS-RESISTANCE

:  tolerance (as of a virus) to a usually toxic substance (as an antibiotic) that is acquired not as a result of direct exposure but by exposure to a related substance

First Known Use of CROSS-RESISTANCE

1946

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