reaction

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Pronunciation 1.3 Noun 1.3.1 Related terms 1.3.2 Translations 1.4 Anagrams

[edit] English

[edit] Etymology

From re-, again, + action, from Latin actio, noun of action form from perfect passive participle actus, done, from verb agere, do.

[edit] Pronunciation

• SAMPA: /ri'{kS@n/
•  Audio (US)^{help, file}

  Rhymes: -ækʃən

[edit] Noun

reaction (plural reactions)

1. 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 coutroom. What is your reaction?

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

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.

[edit] Related terms

• chain reaction
• mixed reactions
• react
• reactant
• reaction time
• reactor

[edit] Translations

[edit] Anagrams

• creation