non·​grav·​i·​ta·​tion·​al ˌnän-ˌgra-və-ˈtā-shnəl How to pronounce nongravitational (audio)
: not of, relating to, or caused by gravitation : not gravitational
Each time a periodic comet revisits the inner solar system, it can experience the gentle effects of dust-bearing gas jets erupting on its sun-warmed surface. These so-called nongravitational forces can advance or retard a comet's date of return by hours or years.Daniel Pendick

Examples of nongravitational in a Sentence

Recent Examples on the Web So the holographic principle says that because of the presence of black holes, quantum gravity should be formulated as a more prosaic nongravitational quantum system in fewer dimensions. Edgar Shaghoulian, Scientific American, 22 Aug. 2022 The results, published in Nature today, bring physicists one step closer to the distant goal of reconciling gravity with quantum mechanics, the theory underlying all of nongravitational physics. Ben Brubaker, Scientific American, 10 Mar. 2021 This scenario would require a close approach to the star but not so close as to vaporize all the water ice, which would be needed to supply the nongravitational acceleration detected in ‘Oumuamua. Scientific American, 26 Jan. 2021 Harvard & Smithsonian proposed that the nongravitational force could be caused by sunlight, which exerts a weak pressure on any object placed in its path. David Jewitt, Scientific American, 1 Oct. 2020 The correspondence states that a gravitational system in AdS space can be equivalent to a nongravitational quantum system in one fewer dimension. Quanta Magazine, 11 May 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'nongravitational.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of nongravitational was in 1902

Dictionary Entries Near nongravitational

Cite this Entry

“Nongravitational.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

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