follow Dictionary.com

What is the X in X-mas?

traject

[truh-jekt] /trəˈdʒɛkt/
verb (used with object), Archaic.
1.
to transport, transmit, or transpose.
Origin
1545-1555
1545-55; < Latin trājectus (past participle of trāicere to cast, throw over or across), equivalent to trā- (variant of trāns- trans-) + -jec- (combining form of jacere to throw) + -tus past participle suffix
Related forms
trajection, noun

trajectory

[truh-jek-tuh-ree] /trəˈdʒɛk tə ri/
noun, plural trajectories.
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; < New Latin trājectōria, noun use of feminine of Medieval Latin trājectōrius cast-ing over. See traject, -tory1
Related forms
trajectile
[truh-jek-til, -tahyl] /trəˈdʒɛk tɪl, -taɪl/ (Show IPA),
adjective
trajection
[truh-jek-shuh n] /trəˈdʒɛk ʃən/ (Show IPA),
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for trajection

traject

/trəˈdʒɛkt/
verb
1.
(transitive) (archaic) to transport or transmit
Derived Forms
trajection, noun
Word Origin
C17: from Latin trājectus cast over, from trāicere to throw across, from trans- + iacere to throw

trajectory

/trəˈdʒɛktərɪ; -trɪ/
noun (pl) -ries
1.
the path described by an object moving in air or space under the influence of such forces as thrust, wind resistance, and gravity, esp the curved path of a projectile
2.
(geometry) a curve that cuts a family of curves or surfaces at a constant angle
Derived Forms
trajectile (trəˈdʒɛktaɪl) adjective
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
Cite This Source
Word Origin and History for trajection

trajectory

n.

1690s, from Modern Latin trajectoria, from fem. of trajectorius "of or pertaining to throwing across," from Latin traiectus "thrown over or across," past participle of traicere "throw across," from Latin trans- "across" (see trans-) + icere, combining form of iacere "to throw" (see jet (v.)). Used in Late Latin and Middle English to mean "a funnel."

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
trajection in Science
trajectory
  (trə-jěk'tə-rē)   
  1. Physics The line or curve described by an object moving through space.

  2. Mathematics A curve or surface that passes through a given set of points or intersects a given series of curves or surfaces at a constant angle.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for traject

Few English speakers likely know this word

Word Value for trajection

0
23
Scrabble Words With Friends

Nearby words for trajection