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[trans-vur-suh l, tranz-] /trænsˈvɜr səl, trænz-/
Geometry. a line intersecting two or more lines.
Origin of transversal
late Middle English
1400-50; late Middle English (adj.) < Medieval Latin trānsversālis. See transverse, -al1
Related forms
transversally, adverb
intertransversal, adjective
subtransversal, adjective
subtransversally, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for transversal
Historical Examples
  • Abrane tried the transversal enclosing this favoured number.

  • The others have transversal sockets like our present hatchets.

    Primitive Man Louis Figuier
  • The great majority are divided into two storeys by means of a transversal partition.

    Bramble-bees and Others J. Henri Fabre
  • She next builds a second transversal partition and a second longitudinal partition perpendicular to it.

    Bramble-bees and Others J. Henri Fabre
  • In the second or transversal wave, the vibration of the particle at P takes place in a plane at right angles to FP.

  • It was in fact only a small square of stuff hanging from a transversal baton.

  • Thus the vibration of the air is said to be longitudinal, but the vibrations of the Aether are transversal.

    Aether and Gravitation

    William George Hooper
  • His forehead is covered with transversal folds; he has no muzzle, properly speaking, but a kind of snout like that of a hog.

    The Desert World Arthur Mangin
  • He gave an interesting proposition relating to plane and spherical triangles, their sides being cut by a transversal.

    The Teaching of Geometry David Eugene Smith
  • If two parallel lines are cut by a transversal, the alternate-interior angles are equal.

    The Teaching of Geometry David Eugene Smith
British Dictionary definitions for transversal


(geometry) a line intersecting two or more other lines
a less common word for transverse
Derived Forms
transversally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for transversal

mid-15c., from Medieval Latin transversalis (mid-13c.), from transvers-, stem of transvertere (see transverse).As a noun, from 1590s.

Online Etymology Dictionary, © 2010 Douglas Harper
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