n.

a response that reveals a person's feelings or attitude

"he was pleased by the audience's reaction to his performance"; "John feared his mother's reaction when she saw the broken lamp"

a bodily process occurring due to the effect of some foregoing stimulus or agent

"a bad reaction to the medicine"

同義詞：response

(chemistry) a process in which one or more substances are changed into others

"there was a chemical reaction of the lime with the ground water"

同義詞：chemical reaction

an idea evoked by some experience

"his reaction to the news was to start planning what to do"

doing something in opposition to another way of doing it that you don't like

"his style of painting was a reaction against cubism"

extreme conservatism in political or social matters

"the forces of reaction carried the election"

(mechanics) the equal and opposite force that is produced when any force is applied to a body

"every action has an equal and opposite reaction"

Antigen-antibody reactions in gels.
Graft-versus-leukemia reactions after bone marrow transplantation.
Humus chemistry: genesis, composition, reactions.
Studies on interference in serial verbal reactions. J. Exp.
Thermodynamics of protein association reactions: forces contributing to stability.
Palladium-catalyzed ligand-directed C-H functionalization reactions.
Kinetic PCR Analysis: Real-time Monitoring of DNA Amplification Reactions
Pd(II)-Catalyzed C–H Activation/C–C Cross-Coupling Reactions: Versatility and Practicality
Stroop, J.R.: Studies of interference in serial verbal reactions. J. Exp. Psychol. 18(6), 643-662
A general method for numerically simulating the stochastic time evolution of coupled chemical reactions