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Definition of "plane" []

  • Mathematics A surface containing all the straight lines that connect any two points on it. (noun)
  • A flat or level surface. (noun)
  • A level of development, existence, or achievement: scholarship on a high plane. (noun)
  • An airplane or hydroplane. (noun)
  • A supporting surface of an airplane; an airfoil or wing. (noun)
  • A flat surface in which a straight line joining any two of its points lies entirely on that surface (noun)

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.

  • A flat or level surface (noun)
  • A level of existence, performance, attainment, etc (noun)
  • A wing or supporting surface of an aircraft or hydroplane (noun)
  • Level or flat (adjective)
  • (of a curve, figure, etc) lying entirely in one plane (adjective)
  • To fly without moving wings or using engines; glide (verb)
  • (of a boat) to rise partly and skim over the water when moving at a certain speed (verb)
  • To travel by aeroplane (verb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "plane" in a sentence
  • "Plane-polarised light is light with the vibrations all in a single plane, perpendicular to the plane through the ray which is technically called the “plane of polarisation."
  • "_plane_, no such simple movement as the foregoing suffices to produce or explain it, because symmetry about a plane implies"
  • "The branches move both behind and in front of the title plane, a device Stuart used many times."