You searched for: “chemoresistance
chemoresistance (s) (noun) (no plural)
1. The specific impediment of cells to the action of chemicals: Chemoresistance involves the aversion to or insusceptibility of the basic functional unit of an organism to a particular therapeutic drug.
2. The immunity exhibited by certain tumors and tissues from destruction by chemotherapeutic drugs: After taking the medication gemcitabine to treat the solid tumor for a number of years, Mrs. Tennison's doctor observed that the tumor had developed a chemoresistance to it.