English to English
noun
- (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.
source: WordNet 3.0
- an idea evoked by some experience
His reaction to the news was to start planning what to do.
source: WordNet 3.0
- a bodily process occurring due to the effect of some antecedent stimulus or agent
A bad reaction to the medicine.
His responses have slowed with age.
source: WordNet 3.0
- (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.
source: WordNet 3.0
- 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.
source: WordNet 3.0
- extreme conservatism in political or social matters
The forces of reaction carried the election.
source: WordNet 3.0
- doing something in opposition to another way of doing it that you don't like
His style of painting was a reaction against cubism.
source: WordNet 3.0
- Any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action.
source: Webster 1913
- A regular or characteristic response to a stimulation of the nerves.
source: Webster 1913
