[kraws-ri-zis-tuh ns, kros-]
- 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.
Origin of cross-resistance
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018