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

/ ˈbrəʊmiːn; -mɪn /

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

Researchers examined 203 consumer products for bromine, a key indicator of the use of flame retardants.

From Salon

Conventional methods to produce o-bromobenzenethiols involve addition of bromine to aniline, then using diazonium intermediates for addition of sulfur.

From Science Daily

"And then the bromine, which is part of the salt, actually penetrates into the three-dimensional layer in a controllable way."

From Science Daily

In the study, the team used ring-shaped molecular structures called "crown ethers," which contain benzene and bromine rings.

From Science Daily

Subsequently, the cation underwent a transformation into an unusual intermediate with a ring structure encompassing four atoms, including a loosely bound bromine atom.

From Science Daily