noun. ['ˈmɛθəˌnɑːl'] a light volatile flammable poisonous liquid alcohol; used as an antifreeze and solvent and fuel and as a denaturant for ethyl alcohol.
1. Noun, singular or mass Alcohols can also serve as a source of fuel for combustion, such as methanol. 2. Verb, base form Over time, methanol absorbs water from the air.
