Hydrase
[hahy-dreys, -dreyz] /ˈhaɪ dreɪs, -dreɪz/
noun, Biochemistry.
1.
any of the class of enzymes that catalyze the addition of a water molecule into a compound without causing hydrolysis.
hydrase hy·drase (hī’drās’, -drāz’)
n.
See hydratase.
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- Hydrastine
[hahy-dras-teen, -tin] /haɪˈdræs tin, -tɪn/ noun, Pharmacology. 1. an alkaloid, C 21 H 21 NO 6 , that is extracted from the roots of goldenseal and forms prismatic crystals: used as an astringent and to inhibit uterine bleeding. /haɪˈdræstiːn; -tɪn/ noun 1. a white poisonous alkaloid extracted from the roots of the goldenseal: has been […]
- Hydrastinine
[hahy-dras-tuh-neen, -nin] /haɪˈdræs təˌnin, -nɪn/ noun, Pharmacology. 1. a white, crystalline, poisonous alkaloid, C 11 H 13 NO 3 , synthesized from : used to arrest bleeding, especially in the uterus. /haɪˈdræstɪˌniːn/ noun 1. a colourless crystalline water-soluble compound whose pharmacological action resembles that of hydrastine. Formula: C11H13NO3
- Hydrastis
[hahy-dras-tis] /haɪˈdræs tɪs/ noun 1. (def 2). /haɪˈdræstɪs/ noun 1. any ranunculaceous plant of the genus Hydrastis, of Japan and E North America, such as goldenseal, having showy foliage and ornamental red fruits
- Hydratase
hydratase hy·dra·tase (hī’drə-tāz’, -tāz’) n. Any of various lyases that catalyze the addition or removal of water from a substrate. Also called hydrase.
- Hydrate
[hahy-dreyt] /ˈhaɪ dreɪt/ noun 1. any of a class of compounds containing chemically combined water. In the case of some hydrates, as washing soda, Na 2 CO 3 ⋅10H 2 O, the water is loosely held and is easily lost on heating; in others, as sulfuric acid, SO 3 ⋅H 2 O, or H 2 […]