Meaning of ACTIVATE in English

1. make active; bring into action.

2 Chem. cause reaction in; excite (a substance, molecules, etc.).

3 Physics make radioactive.

Phrases and idioms:

activated carbon carbon, esp. charcoal, treated to increase its adsorptive power. activated sludge aerated sewage containing aerobic bacteria.


activation n. activator n.

Oxford English vocab.      Оксфордский английский словарь.