Halogen

1.

(បច្ចេកវិទ្យា​និង​វិទ្យាសាស្ត្រ) ក្រុមអាឡូសែន (គីមី)

1.

An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen.