microgravity

noun

mi·​cro·​grav·​i·​ty ˌmī-krə-ˈgra-və-tē How to pronounce microgravity (audio)
: a condition in space in which only minuscule forces are experienced : virtual absence of gravity
broadly : a condition of weightlessness

Examples of microgravity in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Extracting material in microgravity requires anchoring systems, dust control, and mechanical tools that work in environments with almost no friction or atmospheric resistance. Kaif Shaikh, Interesting Engineering, 5 Nov. 2025 Throughout its lifespan, the station has served as a test bed for scientific research in microgravity and has in years past opened itself up to private commercial missions. Eric Lagatta, USA Today, 4 Nov. 2025 Cooking in microgravity differs from cooking something here on Earth. Josh Dinner, Space.com, 4 Nov. 2025 The Skyeports team plans to test the glassblowing technique in a thermal vacuum chamber, followed by parabolic flight experiments that simulate microgravity. Kurt Knutsson, FOXNews.com, 23 Oct. 2025 See All Example Sentences for microgravity

Word History

First Known Use

1974, in the meaning defined above

Time Traveler
The first known use of microgravity was in 1974

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Cite this Entry

“Microgravity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgravity. Accessed 8 Nov. 2025.

Kids Definition

microgravity

noun
mi·​cro·​grav·​i·​ty ˌmī-krə-ˈgrav-ət-ē How to pronounce microgravity (audio)
: the condition of being weightless or of the near absence of gravity

More from Merriam-Webster on microgravity

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