Meaning

noun the addition or substitution of chlorine in organic compounds

noun disinfection of water by the addition of small amounts of chlorine or a chlorine compound

originEtymology tree Proto-Indo-European *ǵʰelh₃- Proto-Hellenic *kʰlōrós Ancient Greek χλωρός (khlōrós) Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English chlorine Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor.…

Etymology from Wiktionary, CC BY-SA 3.0