bromine

[ broh-meen, -min ]

noun

, Chemistry.

1. 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. : Br; : 79.909; : 35; : 3.119 at 20°C.

bromine

/ -mɪn; ˈbrəʊmiːn /

noun

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

bromine

/ brō′mēn /

1. 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.
2. See Periodic Table

Word History and Origins

Origin of bromine¹

1827; < French brome bromine (< Greek brômos stench) + -ine ²

Word History and Origins

Origin of bromine¹

C19: from French brome bromine, from Greek brōmos bad smell + -ine ², of uncertain origin

Example Sentences

Bromine and chlorine are both highly reactive elements called halogens that share several common traits.

From Science News For Students

It does not contain any carbon, hydrogen, bromine or chlorine.

From Science News For Students

This helps us continue to be a reliable source of lithium, as well as bromine.

From Time

Researchers discovered that the invasive Hydrilla builds up extreme concentrations of bromine compounds, 20 times greater than the concentrations in the lake bottom mud and 500 to 1,000 times greater than in lake water.

From Science News

Bromine can get into lakes from various sources, some natural and not, such as power plants.

From Science News

Bromine water I believe may be added, but that I have not used hitherto, and therefore cannot answer for its effects.

From Project Gutenberg

Bromine water is a convenient agent for oxidizing cobaltous to cobaltic ions (see Chapter XV).

From Project Gutenberg

Treat the distillate with a few drops of bromine water and boil for a short time.

From Project Gutenberg

"Bromine Water" is simply bromine shaken up with water till no more is dissolved.

From Project Gutenberg

It is used as an indicator in volumetric silver assaying, and for the separation of iodine from bromine.

From Project Gutenberg