Phenolic is an adjective and a substantive (noun) that may apply to : Phenol (or carbolic acid), a colorless crystalline solid and aromatic compound Phenols, a class of chemical compounds that include phenol Phenolic content in wine Phenolic paper, a type of cardboard used for printed circuit boards Phenolic resin, a type of synthetic polymer Phenolic taint, a wine fault due to 4-vinylphenol formation by Brettanomyces bruxellensis Polyphenols, non-polymeric phytochemical compounds containing multiple phenol substructures See also