A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17. / (countable) A single atom of this element.

plural of chlorine (atoms of chlorine)

Third-person singular simple present indicative form of chlorinate

present participle of chlorinate

(chemistry) Of water, that has had chlorine added to it to purify it.

simple past tense and past participle of chlorinate

(transitive, chemistry) To add chlorine to (something, especially water, to purify it; or an auriferous substance, to extract gold from it).

(chemistry) The act or process of chlorinating something; especially, the addition of chlorine to water to purify it, and a process for the extraction of gold by exposure of the auriferous material to chlorine gas.

(chemistry) A quantitative measure of the amount of chlorine and other halides in water, especially in seawater

(transitive) To chlorinate.