a positive ion, H3O+, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion Also called hydronium ion
1. a combining form used in the names of chemical compounds in which the hydroxyl group is present: hydroxyketone. [hahy-drok-suh l] /haɪˈdrɒk səl/ adjective 1. containing the . /haɪˈdrɒksɪ/ adjective 1. (of a chemical compound) containing one or more hydroxyl groups combining form 1. (in chemical compounds) indicating the presence of one or more hydroxyl […]
[hahy-drok-see-uh-see-tik, -uh-set-ik, -drok-] /haɪˈdrɒk si əˈsi tɪk, -əˈsɛt ɪk, -ˌdrɒk-/ noun 1. .
noun 1. an organic acid containing both a carboxyl and a hydroxyl group. 2. any of a class of organic acids containing a hydroxyl group and showing properties of both an alcohol and an acid. noun 1. any acid, such as sulphuric acid, containing hydroxyl groups in its molecules 2. any of a class of […]
[hahy-drok-see-ap-uh-tahyt] /haɪˌdrɒk siˈæp əˌtaɪt/ noun 1. a mineral, Ca 10 (PO 4) 6 OH 2 , that is the principal storage form of calcium and phosphorus in bone. hydroxyapatite hy·drox·y·ap·a·tite (hī-drŏk’sē-āp’ə-tīt’) n. The principal bone salt that provides the compressional strength of vertebrate bone.