Dictionary search results

Showing 1-3 of 3 results

halogen US English

Any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive nonmetallic elements that form strongly acidic compounds with hydrogen, from which simple salts can be made

halogen lamp US English

A lamp using a filament surrounded by the vapour of iodine or another halogen

quartz-halogen US English

(Of a high-intensity electric lamp) using a quartz bulb containing the vapor of a halogen, usually iodine