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单词 trajectory
释义

trajectory

[ truh-jek-tuh-ree ]
/ trəˈdʒɛk tə ri /
SEE SYNONYMS FOR trajectory ON THESAURUS.COM

noun, plural tra·jec·to·ries.

the curve described by a projectile, rocket, or the like in its flight.
Geometry. a curve or surface that cuts all the curves or surfaces of a given system at a constant angle.

Origin of trajectory

1660–70; <New Latin trājectōria, noun use of feminine of Medieval Latin trājectōrius cast-ing over. See traject, -tory1

OTHER WORDS FROM trajectory

tra·jec·tile [truh-jek-til, -tahyl], /trəˈdʒɛk tɪl, -taɪl/, adjectivetra·jec·tion [truh-jek-shuhn], /trəˈdʒɛk ʃən/, noun

Words nearby trajectory

traitor, traitorous, traitress, Trajan, traject, trajectory, Trakl, tra-la, Tralee, TRALI, tram
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for trajectory

British Dictionary definitions for trajectory

trajectory
/ (trəˈdʒɛktərɪ, -trɪ) /

noun plural -ries

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
geometry a curve that cuts a family of curves or surfaces at a constant angle

Derived forms of trajectory

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

Scientific definitions for trajectory

trajectory
[ trə-jĕktə-rē ]

Physics The line or curve described by an object moving through space.
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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/12/23 13:26:46