chlorine

English dictionary entry

Meanings

noun

A toxic, green, gaseous chemical element (symbol Cl) with an atomic number of 17.
A single atom of this element.
A chlorine-based bleach or disinfectant.

Pronunciation

klôʹrēn /ˈklɔɹin/ /ˈklɔːɹiːn/ LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-chlorine.wav en-us-chlorine.ogg /ˈkʰlorɪn/ /ˈkʰlɔrɪn/ /-in/

Word forms

chlorine chlorines chlorin

Etymology

Etymology 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 Coined by British chemist Humphry Davy in 1810 from Ancient Greek χλωρός (khlōrós, “pale green”) + -ine.

Synonyms

E925

Related words

Derived words

acetachlor antichlor antichlore antichlorine chloral chlorane chlor- chloro- chlorian chloric chloride chlorinate chlorination chlorine-35 chlorine-36 chlorine-37 chlorine dioxide chlorine fluoride chlorineless chlorinelike chlorine monofluoride chlorine oxide chlorine pentafluoride chlorine trifluoride chlorine water chloriney chloriniferous chlorinise chlorinize chlorinity chlorinolysis chlorinous chlorite chloroid chlorous chloruret Clorox dichlorine nonchlorine organochlorine radiochlorine

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