5-hydroxytryptamine, another name for serotonin 5HT
[hahy-drok-suh-zeen] /haɪˈdrɒk səˌzin/ noun, Pharmacology. 1. an antihistaminic compound, C 21 H 27 ClN 2 O 2 , used in the treatment of allergy, nausea, and anxiety. hydroxyzine hy·drox·y·zine (hī-drŏk’sĭ-zēn’) n. A mild sedative and minor tranquilizer used in the treatment of psychological neuroses.
[hahy-droh-zing-kahyt] /ˌhaɪ droʊˈzɪŋ kaɪt/ noun, Mineralogy. 1. a hydrous zinc carbonate, Zn 5 (CO 3) 2 (OH) 6 , an important ore of zinc in some localities.
hydruria hy·dru·ri·a (hī-drur’ē-ə) n. See polyuria. hy·dru’ric (-drur’ĭk) adj.
[hahy-druh-zoh-uh n] /ˌhaɪ drəˈzoʊ ən/ noun 1. any freshwater or marine coelenterate of the class Hydrozoa, including free-swimming or attached types, as the hydra, in which one developmental stage, either the polyp or medusa, is absent, and colonial types, as the Portuguese man-of-war, in which both medusa and polyp stages are present in a single […]