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cross-resistance
[ kraws-ri-zis-tuhns, kros- ]
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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Word History and Origins
Origin of cross-resistance1
First recorded in 1945–50
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