deactivator

English

Etymology

From deactivate +‎ -or.

Pronunciation

• (UK) IPA^(key): /ˌdiːˈæktɪveɪtə(ɹ)/

Noun

deactivator (plural deactivators)

1. Any device used to deactivate something.
2. A chamber filled with iron filings or other material used to remove excess oxygen or other substances from water.