Action in opposition; resistance.

ETYM Cf. French réaction.
In chemistry, the coming together of two or more atoms, ions, or molecules with the result that a chemical change takes place. The nature of the reaction is portrayed by a chemical equation.
1. (Mechanics) The equal and opposite force that is produced when any force is applied to a body.
2. A bodily process occurring due to the effect of some foregoing stimulus or agent; SYN. response.
3. A response that reveals a person's feelings or attitude.
4. An idea evoked by some experience.
5. Doing something in opposition to another way of doing it that one doesn't like.
6. Extreme conservatism in political or social matters. + prikaži više