reaction

Study(24)

/ɹiˈækʃən/

noun 5

Collocations

(noun.) chemical reaction

ADJ

chain | chemical, nuclear

VERB + REACTION

cause, produce, start, trigger | stop | speed up | slow down

REACTION + VERB

occur, take place

PREP

during/in a/the ~

The temperature rises significantly in a chemical reaction.

~ between

The chemical reaction between vinegar and baking soda creates lots of bubbles.

~ with

The medicine's interaction with her existing medication caused an unexpected allergic reaction with severe symptoms.

(noun.) allergy

ADJ

adverse, bad | mild, slight

Definitions

noun

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

The announcement of the verdict brought a violent reaction.

You were in the courtroom. What is your reaction?

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.

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

And as Europe advanced year by year more deeply into the low featureless plains of reaction, censorship and mediocrity and the pestilential swamps of poverty, unhappiness and oppression, the image of the liberating revolution became ever more luminous.

Unpurposeful behavior.

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

Thesaurus

Synonyms

noun — a bodily process occurring due to the effect of some anteced

response

Antonyms

Idioms & Phrases

gut reaction

A visceral reaction that arises with little accompanying thought or even (sometimes) no thought.

Near-synonym: knee-jerk reaction

in reaction

By being partially or entirely a response to a stimulus or other event, without which there would be a diminished or no such action or statement.; (while under) duress; by dint of; in the face of; in light of; in return; (in) response;.

Viewed in its proper historical context this reaction fits a not-unfamiliar pattern seen first after emancipation of slaves and the Thirteenth Amendment, then in reaction to blacks

knee-jerk reaction

An instantaneous reaction made without thought.

Near-synonym: gut reaction

Example Bank

The announcement of the verdict brought a violent reaction.

Wiktionary

You were in the courtroom. What is your reaction?

Wiktionary

When I last tried to eat strawberries I had a terrible allergic reaction.

Wiktionary

Observe his facial reaction when we mention a price.

Tatoeba · #24433

What factor contributed to the reaction?

Tatoeba · #36570

The tuberculin reaction was pseudopositive.

Tatoeba · #39794

Usage Notes

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