(in ancient Greece and Rome) a large water jar
[hahy-drik] /ˈhaɪ drɪk/ adjective 1. pertaining to or containing hydrogen. [hahy-drik] /ˈhaɪ drɪk/ adjective 1. of, relating to, or adapted to a wet or moist environment. 1. a combining form of 1 : hexahydric. /ˈhaɪdrɪk/ adjective 1. of or containing hydrogen 2. containing or using moisture adj. 1796 as a term in chemistry, “of or […]
[hahy-drahyd, -drid] /ˈhaɪ draɪd, -drɪd/ noun 1. a binary compound formed by hydrogen and another, usually more electropositive, element or group, as sodium hydride, NaH, or methyl hydride, CH 4 . /ˈhaɪdraɪd/ noun 1. any compound of hydrogen with another element, including ionic compounds such as sodium hydride (NaH), covalent compounds such as borane (B2H6), […]
[hahy-dree-od-ik] /ˌhaɪ driˈɒd ɪk/ adjective 1. of or derived from .
[hahy-dril-uh] /haɪˈdrɪl ə/ noun 1. a submerged aquatic plant, Hydrilla verticillata, native to the Old World, that has become a pest weed in U.S. lakes and waterways. /haɪˈdrɪlə/ noun 1. any aquatic plant of the Eurasian genus Hydrilla, growing underwater and forming large masses: used as an oxygenator in aquaria and pools. It was introduced […]