deactivator
UK /ˌdiːˈæktɪveɪtə(ɹ)/ US /ˌdiːˈæktɪveɪtə(ɹ)/
noun 2
Definitions
noun
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.
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