[hahy-dras-teen, -tin] /haɪˈdræs tin, -tɪn/
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.
a white poisonous alkaloid extracted from the roots of the goldenseal: has been used in medicine (in the form of one of its water-soluble salts) to contract the uterus and arrest haemorrhage. Formula: C21H21NO6
hydrastine hy·dras·tine (hī-drās’tēn’, -tĭn)
A poisonous white alkaloid obtained from the yellow root of a woodland plant and formerly used locally to treat inflammation of mucous membranes.
[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
[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 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.
[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 […]