Is “Butyl” a Scrabble word?
Yes
BUTYL
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 Butyl
noun
1.Any of four isomeric univalent hydrocarbon radicals, C4H9, formally derived from butane by the loss of a hydrogen atom.
2.A synthetic rubber made by the polymerization of isobutylene.