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chlorine

/ˈklɔːriːn/
noun
1.
a toxic pungent greenish-yellow gas of the halogen group; the 15th most abundant element in the earth's crust, occurring only in the combined state, mainly in common salt: used in the manufacture of many organic chemicals, in water purification, and as a disinfectant and bleaching agent. Symbol: Cl; atomic no: 17; atomic wt: 35.4527; valency: 1, 3, 5, or 7; density: 3.214 kg/m³; relative density: 1.56; melting pt: –101.03°C; boiling pt: –33.9°C
Word Origin
C19 (coined by Sir Humphrey Davy): from chloro- + -ine², referring to its colour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Value for chlorin

12
14
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