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An American Dictionary of the English Language

by Noah Webster

Revised and enlarged (Goodrich & Porter)

Springfield, Mass. · G. & C. Merriam · 1865

Entries
95,912
Pages
1,538
Illustrations
2,133

Look up a word as the writers of the time used it.

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  1. Hȳ'brid-ī'za-ble or Hȳb'rid-ī'za-ble, a.p. 647Capable of forming a hybrid, or of being subjected to a hybridizing process; capable of producing a hybrid by union with another species or stock. Hybridizable genera are rarer than is generally…
  2. Hy̆'brid-i-zā'tion or Hyb'rid-i-zā'tion, n.p. 647The act of hybridizing, or the state of being hybridized.
  3. Hȳ'brid-īze or Hȳb'rid-īze, v. t.p. 647To render hybrid; to produce by the union or mixture of two different stocks.
  4. Hÿ'brid-oüs or Hÿb'rid-oüs, a.p. 647Same as HYBRID.
  5. Hȳd'age, n.p. 647(Law.) A tax on lands, at a certain rate by the hide. See HIDAGE. Wharton.
  6. Hŷd'a-tĭd, n.p. 647(Zool.) A membranous sac or bladder filled with a pellucid fluid, found parasitic in various parts of the body of organized beings, but unconnected with the tissues. It is often formed by parasitic…
  7. Hyd'a-tĭsm, n.p. 647(Mēd.) A sound caused by the motions of an effused fluid in some cavity of the body.
  8. Hȳd'a-toid, n.p. 647(Anat.) (a.) The membrane inclosing and belonging to the aqueous humors of the eye. (b.) The aqueous humor.
  9. Hy'drä, n.p. 647(Myth.) A serpent or monster in the lake or marsh of Lerna, in Peloponnesus, represented as having many heads, one of which, being cut off, was immediately succeeded by another, unless the wound was…
  10. Hy'-drăc'id, n.p. 647(Chem.) An acid whose base is hydrogen.
  11. Hy'dra-gōgue, n.p. 647(Med.) A remedy believed to be capable of expelling serum effused into any part of the body, usually a cathartic or diuretic. Dunglison.
  12. Hy'dra-mide, n.p. 647(Chem.) Hydruret of amide; ammonia.
  13. Hy'-drăn'ge-a, n.p. 647(Bot.) A shrubby genus of plants bearing opposite leaves and large heads of showy flowers of a rose color naturally, but varying in color with the soil. H. hortensis, the common garden species, is a…
  14. Hy'drant, n.p. 647A pipe or spout at which water may be drawn from the mains of an aqueduct; a water-plug.
  15. Hy'drär'go-chlō'ride, n.p. 647(Chem.) A compound of the bichloride of mercury with another chloride. Brande.
  16. Hy'drár'gy-rate, a.p. 647Pertaining to mercury.
  17. Hŷd-răr'gy-rūm, n.p. 647Quicksilver; mercury.
  18. Hy'drate, n.p. 647(Chem.) A compound formed by the union of water with some other substance, generally forming a neutral salt; as, slaked lime is a hydrate.
  19. Hy'drā'ted, a.p. 647Formed into a hydrate.
  20. Hy̆-drā'tion, n.p. 647(Chem.) The act or state of becoming a hydrate. Water of hydration, water chemically combined with some substance to form a hydrate;— distinguished from water of crystallization.
  21. Hy-drau'lic or Hy-drau'lic-al, a.p. 647Pertaining to hydraulics, or to fluids in motion. Hydraulic cement, a cement or mortar made of hydraulic lime, to be used under water. — Hydraulic crane, a crane operated by the pressure of water. —…
  22. Hȳ-drâu'li-cōn, n.p. 647(Mus.) An ancient musical instrument acted upon by water; a water-organ.
  23. Hŷ-drau'lics, n. sing.p. 647That branch of science, or of engineering, which treats of fluids in motion, especially of water, its action in rivers and canals, the works and machinery for conducting or raising it, its use as a…
  24. Hȳ'dren-tēr'o-cēle, n.p. 647(Med.) Intestinal hernia, the sac of which incloses fluid.
  25. Hŷ'dri-ād, n.p. 647(Myth.) A kind of water nymph.
  26. Hŷ'drī-o-dāte, n.p. 647(Chem.) A salt formed by the union of hydriodic acid with a base. De Claubry.
  27. Hȳ'drī-ōd'ic, n.p. 647(Chem.) Pertaining to, or derived from, hydrogen and iodine;— said of an acid produced by the combination of these elements.
  28. Hŷ'dro-ba-ròm'e-ter, n.p. 647An instrument for determining the depth of the sea water by its pressure.
  29. Hŷ'dro-brō'mate, n.p. 647(Chem.) A salt formed by the union of hydrobromic acid and a base.
  30. Hȳ'dro-brō'mic, a.p. 647(Chem.) Composed of hydrogen and bromine; as, hydrobromic acid.
  31. Hȳ'dro-cär'bon, n.p. 647(Chem.) A compound of hydrogen and carbon.
  32. Hȳ'dro-cär'bon-ate, n.p. 647(Chem.) Carbureted hydrogen gas.
  33. Hÿ'dro-cär'bon-ate, a.p. 647(Chem.) Being, or pertaining to, a combination of carbonate with water.
  34. Hŷ'dro-căr'bu-ret, n.p. 647(Chem.) A compound formed by the union of hydrogen and carbon; carbureted hydrogen.
  35. Hȳ'dro-cēle, n.p. 647(Med.) A collection of serous fluid in the areolar texture of either the scrotum or in some of the coverings of either the testicle or the spermatic cord. Dunglison.
  36. Hŷ'dro-cĕph'a-lŭs, n.p. 647(Med.) An accumulation of liquid within the cavity of the cranium; dropsy of the brain. When it occurs in infancy, it often enlarges the head enormously.
  37. Hȳ'dro-chlō'rate, n.p. 647(Chem.) A supposed compound of hydrochloric acid and a base;— formerly called a muriate.
  38. Hȳ'dro-chlō'rĭc, a.p. 647(Chem.) Pertaining to, or compounded of, chlorine and hydrogen gas; as, hydrochloric acid.
  39. Hŷ'dro-chlō'rīde, n.p. 647(Chem.) A compound consisting of hydrogen, chlorine, and carbon.
  40. Hȳ'dro-cȳ'a-nate, n.p. 647(Chem.) A compound of hydrocyanic acid with a base.
  41. Hȳ'dro-cȳ-ān'ic, a.p. 647(Chem.) Pertaining to, or derived from the combination of, hydrogen and cyanogen; as, hydrocyanic acid;— called also prussic acid.
  42. Hy̆'dro-dy-näm'ic, a.p. 647Pertaining to, or derived from, the force or pressure of water.
  43. Hy'dro-dy-năm'ics, n. sing.p. 647That branch of the science of mechanics which relates to fluids, or, as usually limited, which treats of the laws of motion and action of non-elastic fluids, whether as investigated mathematically…
  44. Hy'dro-e-lec'tric, a.p. 647Pertaining to, employed in, or produced by, the evolution of electricity by means of a battery in which liquids are used, or by means of steam. Hydro-electric machine, an apparatus invented by Mr.…
  45. Hȳ'dro-ex-trāct'or, n.p. 647An apparatus for removing moisture from yarns or cloths in process of manufacture.
  46. Hȳ'dro-fēr'ro-cȳ-ān'ic, a.p. 648(Chem.) Pertaining to, or obtained from, ferrocyanide of barium decomposed with sulphuric acid; as, hydroferrocyanic acid.
  47. Hȳ'dro-flū'ite, n.p. 648(Chem.) A salt composed of hydrofluoric acid and a base.
  48. Hȳ'dro-flu-ōr'ic, a.p. 648(Chem.) Pertaining to, or derived from, fluorine and hydrogen; as, hydrofluoric acid, an acid obtained by distilling feldspar with sulphuric acid.
  49. Hȳ'dro-flū'o-sil'i-cate, n.p. 648(Chem.) A salt formed by hydrofluosilicic acid and a base.
  50. Hy'dro-flū'o-sĭ-lĭc'ic, a.p. 648(Chem.) Consisting of one atom of hydrofluoric, and two of silicic, acid.
  51. Hȳ'dro-gal-vān'ic, a.p. 648Pertaining to, produced by, or consisting of, electricity evolved by the action or use of fluids; as, hydro-galvanic currents.
  52. Hȳ'dro-gen, n.p. 648(Chem.) A gas which constitutes one of the elements of water, of which it forms one ninth, and oxygen eight ninths. It is an inflammable, colorless gas, of extreme lightness. Its specific gravity is…
  53. Hȳ'dro-gen-ate, v. t.p. 648(Chem.) To combine with hydrogen.
  54. Hȳ'dro-gen-ize, v. t.p. 648To combine with hydrogen; to hydrogenate.
  55. Hȳ-drōg'e-nous, a.p. 648Pertaining to hydrogen; containing hydrogen.
  56. Hȳ-drōg'no-sy, n.p. 648A treatise pertaining to, or a history and description of, the waters of the earth.
  57. Hȳ-drŏg'ra-pher, n.p. 648One who draws maps of the sea, lakes, or other waters, with the adjacent shores; one who describes the sea or other waters. Boyle.
  58. Hȳ'dro-grāph'ic, a.p. 648
  59. Hȳ'dro-grāph'ie-alp. 648Relating to, or containing a description of, the sea, sea-coast, isles, shoals, depth of water, and the like, or of a lake or river.
  60. Hȳ-drŏg'ra-phy, n.p. 648The art of measuring and describing the sea, lakes, rivers, and other waters. 2. That branch of nautical surveying which embraces the determination of the contour of the bottom of a harbor or other…