noun
halide; halogenide
Chemistry term for a compound formed when a halogen atom bonds with another element or group.
塩化ナトリウムはハロゲン化物の一種です。
Sodium chloride is a type of halide.
ハロゲン refers to the halogen elements themselves (fluorine, chlorine, etc.), while ハロゲン化物 is the compound formed with another element.
Compound of ハロゲン (from English 'halogen') + 化物 (かぶつ, 'compound').