English Dictionary

reaction

noun

An action or statement in response to a stimulus or other event. / (chemistry) A transformation in which one or more substances is converted into another by combination or decomposition.

His reaction to the news was surprising.

意味（1）

An action or statement in response to a stimulus or other event.

The announcement of the verdict brought a violent reaction.

意味（2）

(chemistry) A transformation in which one or more substances is converted into another by combination or decomposition.

In this reaction, the acid and base will neutralize each other, producing a salt.

意味（3）

(politics) Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.

意味（4）

(Internet) An icon or emoji appended to a posted message by a user to express their feeling about it.