(organic chemistry) Having three or more hydroxy functional groups.

(organic chemistry) Having many hydroxyl substituents.

plural of polyhydroxyphenol

(organic chemistry) Any compound that has multiple phenolic hydroxyl groups

(organic chemistry) Any of a group of linear polyesters produced in nature by bacterial fermentation

plural of polyhydroxyalkanoate

(organic chemistry) Describing an alkanoic acid that has multiple hydroxy substituents

(organic chemistry) Any polyester derived from a hydroxybutyric acid

plural of polyhydroxybutyrate

(chemistry) A polymer, with chemical formula (C₆H₁₀O₃)ₙ, that forms a hydrogel in water.