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			| 1.
								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
 2.
								a bodily process occurring due to the effect of some foregoing stimulus or agent
 a bad reaction to the medicine
 3.
								(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
 4.
								an idea evoked by some experience
 his reaction to the news was to start planning what to do
 5.
								doing something in opposition to another way of doing it that you don't like
 his style of painting was a reaction against cubism
 6.
								extreme conservatism in political or social matters
 the forces of reaction carried the election
 7.
								(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
 
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