(biochemistry) A polymer of adenylic acid attached to mRNA before transportation to the cytoplasm.

(inorganic chemistry) An acid, H₂PtCl₆, derived from platinic chloride and hydrochloric acid, used in the analysis of amines.

(inorganic chemistry) The compound, HAuO₂, formed from the hydrated oxide Au(OH)₃ as a brown powder

(organic chemistry) Synonym of stearic acid

(organic chemistry) Any of many terpenoid acids produced by the resin ducts of conifers.

(organic chemistry) A yellowish resin acid isolated from rosin and used in varnishes and esters for plasticizers; C₁₉H₂₉COOH

(obsolete, organic chemistry) mandelic acid

(organic chemistry) 2-phenyl-2-hydroxyacetic acid, C₆H₅CH(OH)COOH; originally extracted from bitter almonds, it has antibacterial and bacteriostatic properties.

(biochemistry) A terpenoid best known as a plant hormone that inhibits seed germination and was once thought to be important in abscission.

(inorganic chemistry, chiefly Britain) Alternative spelling of thiosulfuric acid