has primary input primary alcohol catabolic process primary alcohol metabolic process primary alcohol catabolic process monohydric alcohol catabolic process GO:0034310 primary alcohol catabolism The chemical reactions and pathways resulting in the breakdown of primary alcohols. A primary alcohol is any alcohol in which a hydroxy group, -OH, is attached to a saturated carbon atom which has either three hydrogen atoms attached to it or only one other carbon atom and two hydrogen atoms attached to it. primary alcohol degradation primary alcohol breakdown alcohol catabolic process