(organic chemistry) A large heterocyclic aromatic ring consisting, at the core, of three pyrroles and one pyrroline coupled through four methine linkages. / Archaic form of chlorine.

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

(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.

simple past tense and past participle of chlorinate

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

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

(transitive) To chlorinate.

Containing chlorine.

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

Third-person singular simple present indicative form of chlorinate