| 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. |
bro·mine (brō'mēn) n. Symbol Br A heavy, volatile, corrosive, reddish-brown, nonmetallic liquid element, having a highly irritating vapor. It is used in producing gasoline antiknock mixtures, fumigants, dyes, and photographic chemicals. Atomic weight 79.904; atomic number 35; melting point 7.2°C; boiling point 58.78°C; valence 1, 3, 5, 7. See Table at element. [French brome (from Greek brōmos, stench) + -ine2.] |
bromine bro·mine (brō'mēn)
n.
Symbol Br
A volatile nonmetallic liquid element, having a highly irritating vapor. It is used in gasoline antiknock mixtures and photographic chemicals. 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.