cross–resistance

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

Definition of cross–resistance

  1. :  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

1946

First Known Use of cross–resistance

1946


Medical Dictionary

cross–resistance

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

Medical Definition of cross–resistance

  1. :  tolerance (as of a bacteria, malignant cell, or insect) to a usually toxic substance (as an antibiotic, chemotherapy drug, or pesticide) that is acquired not as a result of direct exposure but by exposure to a related substance <The history of drug resistance in falciparum malaria suggests that these compounds may also enjoy only a short-lived glory and that cross-resistance with related compounds can be expected.—David J. Wyler, The Journal of the American Medical Association, 11 May 1984> <… paclitaxel and docetaxel are being incorporated into adjuvant regimens on the basis of their antitumor activity in advanced breast cancer and the absence of cross-resistance with doxorubicin.—Charles L. Shapiro, et al., The New England Journal of Medicine, 28 June 2001>


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