cross-resistance

[ kraws-ri-zis-tuhns, kros- ]
/ ˈkrɔs rɪˈzɪs təns, ˈkrɒs- /

noun Biology.

immunologic resistance to the pathogenic effects of a microorganism because of previous exposure to another species or type having cross-reactive antigens.
resistance to the effects of a substance, as that of an insect population to an insecticide or a bacterial strain to an antibiotic, stimulated by exposure and adaptation to a similar or related substance.

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Origin of cross-resistance

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020