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mid-14c., from Old French resistance, earlier resistence, from Late Latin resistentia, from present participle stem of Latin resistere "make a stand against, oppose" (see resist). Meaning "organized covert opposition to an occupying or ruling power" [OED] is from 1939. Electromagnetic sense is from 1860. Path of least resistance is from 1825, originally a term in science and engineering.
resistance re·sis·tance (rĭ-zĭs'təns)
The capacity of an organism to defend itself against a disease.
The capacity of an organism, a tissue, or a cell to withstand the effects of a harmful physical or environmental agent.
The opposition of a body or substance to current passing through it, resulting in a change of electrical energy into heat or another form of energy.
In psychoanalysis, a process in which the ego opposes the conscious recall of repressed unpleasant experiences.