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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

Etymology

Origin of orbital

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

Compare meaning

How does orbital compare to similar and commonly confused words? Explore the most common comparisons:

Explanation

Something that's orbital has something to do with an orbit. A satellite's orbital path is the exact route it takes as it travels around the Earth. When planets, moons, or spacecraft move around other objects in an orbit — a curved, regular path — you can describe this movement as orbital. An orbital period is the length of time it takes a craft or body to make a complete pass around the object it orbits. Another way to use this adjective is to mean "relating to an eye socket," which is actually its earliest meaning. The Latin root is orbita, "wheel track, beaten path, course, or orbit."

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Vocabulary lists containing orbital

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.

See Examples For:

To help power those orbital data centers, SpaceX said it plans to build a new solar factory in Bastrop, Texas.

From The Wall Street Journal Aug. 13, 2026

The new study suggests that seismic measurements could reveal deposits that orbital observations cannot reach.

From Science Daily Aug. 3, 2026

SpaceX, the company owned by Elon Musk, achieved a record 165 orbital launches in 2025 and also conducted several test flights of its Starship megarocket.

From Barron's Jul. 28, 2026

They expect 3,543 launches of the 400-foot rocket in 2031, with about nine in 10 for the purpose of Musk’s proposed orbital data centers.

From MarketWatch Jul. 17, 2026

The orbital dynamics made the trip safer and shorter the earlier you left, so why wait?

From "The Martian" by Andy Weir

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