definition of
resistance

[1] #1 resistance n. [opposition] the action of opposing something that you disapprove or disagree with; "he encountered a general feeling of resistance from many citizens"; "despite opposition from the newspapers he went ahead". wn

[2] #2 resistance n. any mechanical force that tends to retard or oppose motion. wn

[3] #3 resistance n. [electric resistance, electrical resistance, impedance, resistivity, ohmic resistance] a material's opposition to the flow of electric current; measured in ohms. wn

[4] #4 resistance n. the military action of resisting the enemy's advance; "the enemy offered little resistance". wn

[5] #5 resistance n. [immunity] (medicine) the condition in which an organism can resist disease. wn