1) Certain spirits 2) Organic-compound group 
Alcohol in chemistry means any organic compound in which a hydroxyl group (OH) is bound to a carbon atom, further bound to other hydrogen and/or carbon atoms.
Compounds that contain one or more hydroxyl group. Alcohols used in cleaners are; ethyl, methyl, propyl and butyl
Alkyl compounds containing a hydroxyl group. They are classified according to relation of the carbon atom: primary alcohols, r-ch2oh; secondary alcohols, r2-choh; tertiary alcohols, r3-coh. ... (12 Dec 1998) ... 
Compounds that contain one or more hydroxyl group. Alcohols used in cleaners are; ethyl, methyl, propyl and butyl