(chemistry) the simplest oxyacid of bromine, HOBr; formed when bromine dissolves in water; has disinfectant properties

(chemistry) the oxyacid of fluorine, HOF; a short-lived species that has only been observed spectroscopically

(chemistry) the simplest oxyacid of iodine, HIO; it is formed when iodine dissolves in water, or when higher oxyacids are reduced

(chemistry) any oxyacid of a halogen of general formula HOX.

(organic chemistry) A crystalline sulfonic acid, HOC₁₀H₅(SO₃H)₂, derived from beta naphthol and used as a dye intermediate; 2-naphthol-3,6-disulfonic acid.

(chemistry) a phenolic quinone that is the main constituent of cochineal

(chemistry) Any of several isomers of hydroxyisopropylmethylbenzoic acid, formally derived from thymol; one of the constituents of tannic acid.

a red, crystalline dye, of uncertain composition, obtained from sandalwood

(organic chemistry) a carboxylic acid that also contains a hydroxy group

(chemistry) the simplest alpha-hydroxy acid, hydroxy-acetic acid, found in sugar cane and unripe grapes; used in cosmetics etc