IPA: //diːˈklɔːrɪneɪt//
KK: /diˈklɔrɪˌneɪt/
To remove chlorine from a substance or solution.
The water treatment facility works to dechlorinate the water before it is released into the river.
Past: dechlorinated
Past Participle: dechlorinated
Dechlorinate → It is formed from "de-" (meaning removal or reversal) and "chlorinate" (from "chlorine" which comes from Greek "chloros", meaning green). The word means to remove chlorine from a substance.
Think of 'removing' ('de-') the 'green' element ('chloros') from something — that's what dechlorinate means.