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bromine

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈbrəʊmiːn/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈbroʊmin, -mɪn/ ,USA pronunciation: respelling(brōmēn, -min)


WordReference Random House Learner's Dictionary of American English © 2026
bro•mine /ˈbroʊmin, -mɪn/USA pronunciation   n. [uncountable]
  1. Chemistrya dark reddish liquid element obtained from ocean water and used chiefly in gasoline antiknock compounds.

WordReference Random House Unabridged Dictionary of American English © 2026
bro•mine  (brōmēn, -min),USA pronunciation n. [Chem.]
  1. Chemistryan element that is a dark-reddish, fuming, toxic liquid and a member of the halogen family: obtained from natural brines and ocean water, and used chiefly in the manufacture of gasoline antiknock compounds, pharmaceuticals, and dyes. Symbol: Br;
    at. wt.: 79.909;
    at. no.: 35;
    sp. gr.: 3.119 at 20°C.
  • Greek brômos stench) + -ine2
  • French brome bromine (
  • 1827

Collins Concise English Dictionary © HarperCollins Publishers::
bromine /ˈbrəʊmiːn; -mɪn/ n
  1. a pungent dark red volatile liquid element of the halogen series that occurs in natural brine and is used in the production of chemicals, esp ethylene dibromide. Symbol: Br; atomic no: 35; atomic wt: 79.904; valency: 1, 3, 5, or 7; relative density 3.12; density (gas): 7.59 kg/m3; melting pt: –7.2°C; boiling pt: 58.78°C
Etymology: 19th Century: from French brome bromine, from Greek brōmos bad smell + -ine2, of uncertain origin
'bromine' also found in these entries (note: many are not synonyms or translations):

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