Bromine



an 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; atomic weight: 79.909; atomic number: 35; specific gravity: 3.119 at 20°C.
Historical Examples

The Life of Sir Humphrey Davy, Bart. LL.D., Volume 1 (of 2) John Ayrton Paris
The Economic Aspect of Geology C. K. Leith
The Boy’s Playbook of Science John Henry Pepper
An Elementary Study of Chemistry William McPherson
An Elementary Study of Chemistry William McPherson
An Elementary Study of Chemistry William McPherson
An Elementary Study of Chemistry William McPherson
Leather K. J. Adcock
Creative Chemistry Edwin E. Slosson
Cooley’s Practical Receipts, Volume II Arnold Cooley

noun
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
n.
bromine
(brō’mēn)
Symbol Br
A reddish-brown volatile element of the halogen group found in compounds occurring in ocean water. The pure form is a nonmetallic liquid that gives off a highly irritating vapor. It is used to make dyes, sedatives, and photographic film. Atomic weight 79.904; atomic number 35; melting point 7.2°C; boiling point 58.78°C; specific gravity 3.12; valence 1, 3, 5, 7. See Periodic Table.

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    to treat or combine with bromine or a bromide.



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