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trajectile

 - 2 dictionary results

tra⋅jec⋅to⋅ry

  [truh-jek-tuh-ree]
Use trajectile in a Sentence
–noun, plural -ries.
1. the curve described by a projectile, rocket, or the like in its flight.
2. Geometry. a curve or surface that cuts all the curves or surfaces of a given system at a constant angle.
Origin:
1660–70; < NL trājectōria, n. use of fem. of ML trājectōrius cast-ing over. See traject, -tory 1

Related forms:
tra⋅jec⋅tile  [truh-jek-til, -tahyl] , adjective
tra⋅jec⋅tion  [truh-jek-shuhn] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Word Origin & History

trajectory  (n.)
1696, from Mod.L. trajectoria, from fem. of trajectorius "of or pertaining to throwing across," from L. trajectus "thrown over or across," pp. of trajicere "throw across," from L. trans- "across" + icere, combining form of jacere "to throw" (see jet). Used in L.L. and M.E. to mean "a funnel."
Online Etymology Dictionary, © 2001 Douglas Harper
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