Amyl may refer to: Amylum or starch, a carbohydrate Amylopectin, a polymer of glucose found in plants; one of two components of starch Amylose, a helical polymer made of α-D-glucose units; one of two components of starch Pentyl, a five-carbon alkyl functional group, also known by the common non-systematic name amyl Amyl nitrite, used to treat heart diseases and cyanide poisoning (known as Amyl when used as a recreational drug) Dinitrogen tetroxide, an oxidizer used in rocket fuel See also Amylamine, a solvent and raw material Amylase, an enzyme that catalyses the hydrolysis of starch into sugars Amyloid, fibrous protein aggregates, originally named in the mistaken belief that they contained starch Amyloplast, non-pigmented organelles found in some plant cells Amyl acetate, used as a flavoring agent, solvent, and in the preparation of penicillin Amyl alcohol, a solvent Amyl nitrate, organic reagent and diesel fuel additive Amylmetacresol, an antiseptic for mouth and throat infections