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

Example Sentences

Recent Examples on the Web After being delivered to the ISS in 2021, the FBCE team conducted tests to see if this cooling technique worked in microgravity, a feature that’s unnecessary for EVs (unless NASA wants to recharge Elon Musk’s space Tesla). Darren Orf, Popular Mechanics, 11 Nov. 2022 Existing plans for private space stations envision habitats like the ISS, where astronauts float about in microgravity. Tim Fernholz, Quartz, 12 Sep. 2022 But adjusting to microgravity can be uncomfortable. Jackie Wattles, CNN, 25 Sep. 2021 In addition to microgravity, Branson and his buddies will experience two other sensations unique to space travel. BostonGlobe.com, 11 July 2021 Snoopy will go to space this time as a visual indicator when a spacecraft has reached the weightlessness of microgravity. Jamie Carter, Forbes, 25 Aug. 2022 Other space tourism companies like Blue Origin or Virgin Galactic only offer customers short trips that allow for a few minutes of microgravity. Catherine Thorbecke, CNN, 2 Aug. 2022 The experiments that the Crew-1 astronauts worked on include research into how microgravity affects human heart tissue. Jackie Wattles, CNN, 2 May 2021 The Cedars-Sinai researchers want to see how the cells perform while floating in microgravity, according to the Los Angeles Business Journal. Will Sullivan, Smithsonian Magazine, 20 July 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microgravity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1974, in the meaning defined above

Time Traveler
The first known use of microgravity was in 1974

Dictionary Entries Near microgravity

Cite this Entry

“Microgravity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgravity. Accessed 28 Nov. 2022.

Kids Definition



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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