the radical CH 2 and its derivatives.
(chem) a neutral divalent free radical, such as methylene: CH2
a compound of carbon with a more electropositive element or group. calcium carbide. a very hard mixture of sintered carbides of various heavy metals, especially tungsten carbide, used for cutting edges and dies. Historical Examples In the United States carbide is made exclusively in the Horry furnace. Appletons’ Popular Science Monthly, July 1899 Various Fig. […]
a light, gas-operated semiautomatic rifle. (formerly) a short rifle used in the cavalry. Contemporary Examples As you can see on your screens, this young soldier is trying to strangle me with the barrel of his carbine. This 1979 Novel Predicted Putin’s Invasion Of Crimea Michael Weiss May 17, 2014 Also, by carrying an M-4 carbine, […]
a bomb placed in a vehicle and wired to explode when the ignition is started, by remote control, or by a timing device. a vehicle containing explosives detonated by remote control or a timing device. verb to place a bomb in or under a vehicle; also, to use an explosive-filled vehicle to bomb a target […]
any of the crystalline compounds obtained by the substitution of carbon for boron in borane.