Is “Halogen” a Scrabble word?
Yes
HALOGEN
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Halogen
/ˈheɪ.lə.d͡ʒən/
noun
1.Any element of group 17, i.e. fluorine, chlorine, bromine, iodine and astatine, which form a salt by direct union with a metal.
2.A light fixture in which the filament is surrounded by an atmosphere of a halogen gas,