Word.ws English Dictionary

trajection

trajection noun: the act of trajecting (casting or moving).

Noun

trajection (countable and uncountable, plural trajections)

  1. (archaic) The act of trajecting (casting or moving)
    • trajection of light or sound, or a planet
    • The remainder of the Exposition had fallen into extreme confusion, in consequence of the original redactor’s having read the notes in the order 2, 4, 6: 1, 3, 5: 7: and this is followed by another series of trajections. The restoration of the true order here, and in the numerous cases of the like...1885, John Chrysostom (original), Homily LV on Acts xxviii. 17-20
    1. (archaic) a moving through or across something; also, emission.
      • But because I am not so sure, that when the Fire works upon Bodies included in Glasses, it does it by a reall Trajection of the Fiery Corpuscles themselves, through the Substance of the Glass1661, Robert Boyle, “Physiological Considerations Touching the Experiments Wont to be Employed to Evince either the IV Peripatetick Elements, or the III Chymical Principls of Mixt Bodies. Part of the...
      • The next thing we are to consider, is the way or manner of the trajection of this motion through the interpos'd pellucid body to the eye1665, R[obert] Hooke, Micrographia: Or Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses. […], London: […] Jo[hn] Martyn, and Ja[mes] Allestry, printers to the Royal...
  2. (archaic) transposition

Forms of trajection

pluraltrajections

Origin of trajection

From the Latin trāiectiō, from trāiciō. The linguistics term was coined by Joseph L. Malone in his book The Science of Linguistics in the Art of Translation in 1988.

Questions about trajection

What does trajection mean?
Trajection means the act of trajecting (casting or moving).
What part of speech is trajection?
Trajection is a noun.
What is the plural of trajection?
The plural of trajection is trajections.

Words near trajection in the dictionary

  1. Trajchev
  2. Trajchevski
  3. traject
  4. trajected
  5. trajecting
  6. trajection
  7. trajections
  8. trajectoid
  9. trajectoids
  10. trajector
  11. trajectorial

Source and license

Adapted from Wiktionary: trajection (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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