(inorganic chemistry) A poisonous, white crystalline compound, H₃AsO₄, formed from arsenic pentoxide and water; it has the same structure as phosphoric acid, and is used in the manufacture of arsenates.

(dated, organic chemistry) phenol (C₆H₅OH)

any of the steroid acids produced by the liver, such as cholic acid, that occur in bile as sodium salts and serve to neutralize the contents of the stomach as they enter the duodenum and to aid the emulsification and absorption of fats

(organic chemistry) amino-formic acid, NH₂COOH; it is too unstable to have been isolated, but its esters and salts are known.

(organic chemistry) A fatty acid, CH₃(CH₂)₆COOH, obtained from butter and other animal fats, and used in the manufacture of perfumes and flavours.

(chemistry) a strong acid, HClO₃, known only in solution and as its chlorate salts; a powerful oxidizing agent

(biochemistry) a steroidal bile acid, C₂₄H₄₀O₅, derived from cholesterol / (countable, biochemistry) Synonym of bile acid

(organic chemistry) A colourless crystalline dicarboxylic acid, (CH₂COOH)₂, that occurs naturally in amber and is important in the metabolic Krebs cycle.

(organic chemistry) A fatty acid, CH₃(CH₂)₈COOH, obtained from animal fats, and used in the manufacture of perfumes and flavours.

(biochemistry) A white crystalline organic compound, C₆H₈O₆, found in citrus fruits and many vegetables; it is an antioxidant and an efficient scavenger of free radicals.