Word.ws English Dictionary

Word of the Day:

trajectory

noun/tɹəˈd͡ʒɛktəɹi/

trajectory: the path an object takes as it moves
Image: AllenMcC, CC BY-SA 3.0, via Wikimedia Commons

What It Means

The path an object takes as it moves.

The path of a body as it travels through space.

The ordered set of intermediate states assumed by a dynamical system as a result of time evolution.

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Trajectory in Context

“The USA were dominant but, to England’s immense credit, they repeatedly rallied, refusing to fold. Indeed they could conceivably have gone in level at the interval had Naeher not made an acrobatic, stretching, fingertip save to divert Walsh’s 25-yard thunderbolt as it whizzed unerringly on its...”

— 2019 July 2, Louise Taylor, The Guardian

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Did You Know?

From New Latin trāiectōria f (“trajectory”) (used by Newton), the feminine of trāiectōrius (“of or pertaining to throwing across”), from Latin trāiectus (“thrown over or across”), past participle of trāiciō, from trans- (“across, beyond”) (see trans-) + iaciō (“to throw”) (from Proto-Indo-European *(H)yeh₁- (“to throw, impel”)). Middle French and Middle English had trajectorie (“end of a funnel”), from Latin trāiectōrium.

Source and license

Adapted from Wiktionary: trajectory (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws chose the word and reformatted its meaning, examples and origin.

Cite this entry: “trajectory.” Word.ws, https://word.ws/trajectory. Based on Wiktionary, CC BY-SA 4.0.

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