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orbital

American  
[awr-bi-tl] / ˈɔr bɪ tl /

adjective

  1. of or relating to an orbit.


noun

  1. Physics, Chemistry.

    1. a wave function describing the state of a single electron in an atom atomic orbital or in a molecule molecular orbital.

    2. the electron in that state.

orbital British  
/ ˈɔːbɪtəl /

adjective

  1. of or denoting an orbit

  2. (of a motorway or major road circuit) circling a large city

"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

noun

  1. a region surrounding an atomic nucleus in which the probability distribution of the electrons is given by a wave function

  2. an orbital road

"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

Other Word Forms

  • interorbital adjective
  • interorbitally adverb
  • orbitally adverb
  • preorbital adjective
  • superorbital adjective
  • transorbital adjective
  • unorbital adjective
  • unorbitally adverb

Etymology

Origin of orbital

1535–45; < New Latin, Medieval Latin orbitālis; orbit, -al 1

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A planet's motion through space also affects how time passes, with orbital speed contributing additional changes.

From Science Daily

But China’s first attempt to land a first stage from an orbital launch ended with the booster hurtling down to Earth and narrowly missing its landing pad.

From MarketWatch

By studying high resolution orbital images, the research team examined the Martian landscape and found signs of ice less than 1 meter below the surface in Amazonis Planitia.

From Science Daily

Marty tosses out the bald-faced lie that his mother died in childbirth with the nonchalance of ordering another coffee, before the orbital pull in the room shifts.

From Salon

The launch is a boost for India's ambitious low-cost space programme, with plans for an uncrewed orbital mission and human spaceflight in the coming years.

From Barron's