From Longman Dictionary of Contemporary Englishhalogenhal‧o‧gen /ˈhælədʒən/ noun 1 [uncountable] a halogen light uses halogen gas to produce lighthalogen bulb/lamp/light etc2 HCE[countable, uncountable] one of a group of five simple chemical substances that make compounds easily
Examples from the Corpus
halogen• In exactly the same way, an atom such as a halogen atom in a covalent molecule can show spin-orbit coupling.• Shouting, however, is nothing compared to the stream of flashing halogen that's coming the other way.• It was not possible to ascertain directly how many halogen moieties had ended up on the football.• The unit will not corrode and does not have the sharp beam pattern cut off of modern halogen lights.• In molecules with more than one halogen atom more complicated patterns appear.• It is modern: blonde wood floors, stark white walls, and overhead, tiny halogen lights.• Another type of light bulb you may come across is the tungsten halogen bulb.halogen bulb/lamp/light etc• The unit will not corrode and does not have the sharp beam pattern cut off of modern halogen lights.• The halogen lamp and all of the light is up here and then it bounces up.• It is modern: blonde wood floors, stark white walls, and overhead, tiny halogen lights.• Another type of light bulb you may come across is the tungsten halogen bulb.• Roma table Grillo low-voltage tungsten halogen lamp with dimmer switch.• Some are fitted with halogen bulbs for overall punch, or spots to light specific objects or to highlight.Origin halogen (1800-1900) Swedish Greek hals “salt” 