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Definition of "pitch" []

  • Any of various thick, dark, sticky substances obtained from the distillation residue of coal tar, wood tar, or petroleum and used for waterproofing, roofing, caulking, and paving. (noun)
  • Any of various natural bitumens, such as mineral pitch or asphalt. (noun)
  • A resin derived from the sap of various coniferous trees, as the pines. (noun)
  • To smear or cover with or as if with pitch. (verb-transitive)
  • To throw, usually with careful aim. See Synonyms at throw. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "pitch" in a sentence
  • "-- To illustrate: If a gear has 40 teeth, and the pitch diameter of the wheel is 4 inches, there are 10 teeth to each inch of the pitch diameter, and the gear is then 10 _diametral pitch_."
  • "When two gears of equal size mesh together, the pitch line, or the _pitch circle_, as it is also called, is exactly midway between the centers of the two wheels."
  • "The king he is hunting the deer; I am coursing myself: they have pitched a toil; I am toiling in a pitch, —pitch that defiles: defile!"