Resistance

Resistance refers to:

1. the act or an instance of resisting or the capacity to resist.
2. a force that tends to oppose or retard motion.
3. an underground organization engaged in a struggle for national liberation in a country under military or totalitarian occupation.
4. in the field of psychology, a process in which the ego opposes the conscious recall of anxiety-producing experiences.
5. in the field of biology,
   1. the capacity of an organism to defend itself against a disease.
   2. the capacity of an organism or a tissue to withstand the effects of a harmful environmental agent.
6. in the field of electricity (electrical resistance), 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.