reaction

CEFRB1

/ɹiˈækʃən/

noun

Türkçe translations

Translating…

In plain English

  1. 01

    noun

    A response to something that happens or is said.

  2. 02

    noun

    A chemical change caused when substances act on each other.

Examples

  • Observe his facial reaction when we mention a price.

  • People's reaction to the film has varied greatly.

At a glance

Sits at B1 on the CEFR scale

Senses
5
Parts of speech
1
Citations
1

Deep Dive

noun

Extra meanings

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

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

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

More examples

In context

  • What factor contributed to the reaction?

  • The announcement of the verdict brought a violent reaction.

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

Quick test

Two questions on this entry. Nothing is scored.

Question 1 · Quick check

The experienced chemist observed the rapid blank when the two liquids mixed in the beaker.

Practise this properly in the app, where the word comes back before you forget it.

Nearby

Origin

noun

Inherited from Middle English reaccion, from Old French reaction, from Latin reāctiō, from the verb reagō, from re- (“again”) + agō (“to act”); more at re-, action; equivalent to react + -ion.