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  • English Word Hydrogenation Definition The act of combining with hydrogen, or the state of being so combined.
  • English Word Hydrogenide Definition A binary compound containing hydrogen; a hydride. [R.] See Hydride.
  • English Word Hydrogenium Definition Hydrogen; -- called also in view of its supposed metallic nature.
  • English Word Hydrogenize Definition To combine with hydrogen; to treat with, or subject to the action of, hydrogen; to reduce; -- contrasted with oxidize.
  • English Word Hydrogenized Definition of Hydrogenize
  • English Word Hydrogenizing Definition of Hydrogenize
  • English Word Hydrogenous Definition Of or pertaining to hydrogen; containing hydrogen.
  • English Word Hydrognosy Definition A treatise upon, or a history and description of, the water of the earth.
  • English Word Hydrogode Definition The negative pole or cathode.
  • English Word Hydrographer Definition One skilled in the hydrography; one who surveys, or draws maps or charts of, the sea, lakes, or other waters, with the adjacent shores; one who describes the sea or other waters.
  • English Word Hydrographic Definition Alt. of Hydrographical
  • English Word Hydrographical Definition Of or relating to hydrography.
  • English Word Hydrography Definition The art of measuring and describing the sea, lakes, rivers, and other waters, with their phenomena.
  • English Word Hydrography Definition That branch of surveying which embraces the determination of the contour of the bottom of a harbor or other sheet of water, the depth of soundings, the position of channels and shoals, with the construction of charts exhibiting these particulars.
  • English Word Hydroguret Definition A hydride.
  • English Word Hydroid Definition Related to, or resembling, the hydra; of or pertaining to the Hydroidea.
  • English Word Hydroid Definition One of the Hydroideas.
  • English Word Hydroidea Definition An extensive order of Hydrozoa or Acalephae.
  • English Word Hydrokinetic Definition Of or pertaining to the motions of fluids, or the forces which produce or affect such motions; -- opposed to hydrostatic.
  • English Word Hydrological Definition Of or pertaining to hydrology.
  • English Word Hydrologist Definition One skilled in hydrology.
  • English Word Hydrology Definition The science of water, its properties, phenomena, and distribution over the earth's surface.
  • English Word Hydrolytic Definition Tending to remove or separate water; eliminating water.
  • English Word Hydromagnesite Definition A hydrous carbonate of magnesia occurring in white, early, amorphous masses.
  • English Word Hydromancy Definition Divination by means of water, -- practiced by the ancients.
  • English Word Hydromantic Definition Of or pertaining to divination by water.
  • English Word Hydromechanics Definition That branch of physics which treats of the mechanics of liquids, or of their laws of equilibrium and of motion.
  • English Word Hydromedusa Definition Any medusa or jellyfish which is produced by budding from a hydroid. They are called also Craspedota, and naked-eyed medusae.
  • English Word Hydromedusae Definition of Hydromedusa
  • English Word Hydromel Definition A liquor consisting of honey diluted in water, and after fermentation called mead.