transitive verb-·nat·ed, -·nat·ing
to treat or combine (a substance) with chlorine; esp., to pass chlorine into (water or sewage) for purification
transitive verbchlo·ri·nat·ed, chlo·ri·nat·ing, chlo·ri·nates
To treat or combine with chlorine or a chlorine compound.
(third-person singular simple present chlorinates, present participle chlorinating, simple past and past participle chlorinated)
- (chemistry) To add chlorine to (something, especially water, to purify it; or an auriferous substance, to extract gold from it).