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to react
01
to act or behave in a particular way in response to something
Transitive: to react to sth in a specific manner
Examples
The political leader had to react promptly to the evolving situation, addressing concerns and making policy adjustments.
The athlete trained to react instantly to the coach's signals, making split-second decisions during the game.
02
(physics) to be subject to physical or chemical change
Intransitive: to react | to react with a chemical element
Examples
When sodium reacts with water, it produces sodium hydroxide and hydrogen gas as byproducts.
The iron in the nail reacts with oxygen in the air, forming rust over time.
03
to show a hostile response to an opposing action
Intransitive: to react against an undesirable action or change
Examples
The citizens decided to react against the proposed tax increase by organizing a protest.
The workers ' union announced plans to react against the unfair labor practices of the company.
04
(physics) to cause a substance to change by interacting with other substances
Transitive: to react a chemical element with another chemical element
Examples
In the experiment, sodium hydroxide will be reacted with hydrochloric acid to form a salt and water.
To produce the desired compound, the organic solvents will be reacted with the reagents under controlled conditions.
05
to have an adverse reaction to something particular such as food, smell, etc., particularly one that causes illness
Intransitive: to react | to react to an allergen
Examples
Certain individuals may react negatively to strong perfumes, experiencing headaches or respiratory discomfort.
People with lactose intolerance may react after consuming dairy products.
Lexical Tree
overreact
reactance
react
act
