(biochemistry, genetics) Any acidic, chainlike biological macromolecule consisting of multiple repeat units of phosphoric acid, sugar and purine and pyrimidine bases; they are involved in the preservation, replication and expression of hereditary information in every living cell

(inorganic chemistry) A strong acid made by dissolving the gas, hydrogen chloride, in water. It reacts with alkalis, bases and many metals to form chlorides; it has many industrial applications.

(British spelling, inorganic chemistry) A colourless highly corrosive liquid, H₂SO₄.

(chemistry) A specific acid produced by treating oleic acid with nitric acid.

(American spelling, inorganic chemistry) A transparent, oily liquid, formula H₂SO₄, that is a strong acid with very many industrial applications.

(organic chemistry) Any organic compound containing both an amino and a carboxylic acid functional group.

(chemistry) Any of a class of aliphatic carboxylic acids, of general formula CₙH₂ₙ₊₁COOH, that occur combined with glycerol as animal or vegetable oils and fats. Only those with an even number of carbon atoms are normally found in natural fats.

(organic chemistry) Any of a class of organic compounds containing a carboxyl functional group.

(organic chemistry) 2-hydroxy-propanoic acid (CH₃.CHOH.CO₂H), a syrupy liquid, soluble in water; found in milk, wine and many fruits; used as a food additive and in many industrial applications.

(inorganic chemistry) An unstable, highly volatile, poisonous acid, HOCN, used to prepare cyanates; hydrolyzes in water to give ammonia and carbon dioxide