Meaning of प्रतिक्रिया in English

The distance through which one part of connected machinery, as a wheel, piston, or screw, can be moved without moving the connected parts, resulting from looseness in fitting or from wear; also, the jarring or reflex motion caused in badly fitting machinery by irregularities in velocity or a reverse of motion.
To act in opposition to; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to counteract good advice.
Resistance; opposition; a stand against.
To act or perform a second time; to do over again; as, to react a play; the same scenes were reacted at Rome.
To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.
To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.
Any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action.
The mutual or reciprocal action of chemical agents upon each other, or the action upon such chemical agents of some form of energy, as heat, light, or electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters. See Blowpipe reaction, Flame reaction, under Blowpipe, and Flame.
An action induced by vital resistance to some other action; depression or exhaustion of vital force consequent on overexertion or overstimulation; heightened activity and overaction succeeding depression or shock.
The force which a body subjected to the action of a force from another body exerts upon the latter body in the opposite direction.
Backward tendency or movement after revolution, reform, or great progress in any direction.
The act of driving back, or the state of being driven back; reflection; reverberation; as, the repercussion of sound.
Rapid reiteration of the same sound.
The subsidence of a tumor or eruption by the action of a repellent.
In a vaginal examination, the act of imparting through the uterine wall with the finger a shock to the fetus, so that it bounds upward, and falls back again against the examining finger.
The act of responding.
An answer or reply.
Reply to an objection in formal disputation.
The answer of the people or congregation to the priest or clergyman, in the litany and other parts of divine service.
A kind of anthem sung after the lessons of matins and some other parts of the office.
A repetition of the given subject in a fugue by another part on the fifth above or fourth below.
To accuse again.