mi·​cro·​grav·​i·​ty | \ ˌmī-krə-ˈgra-və-tē How to pronounce microgravity (audio) \

Definition of microgravity

: 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 Other will observe phase changes of liquids and gases in microgravity to improve cooling technology in space—or even in laptops here on Earth. Elizabeth Gamillo, Smithsonian Magazine, "China Launches First Module of New Space Station Into Orbit," 3 May 2021 Taking time to move nearly every day helps offset the physical toll a microgravity environment (contrary to popular belief, there is some gravity in space) takes on bones, which would otherwise dramatically decrease in density. Dianna Mazzone, Allure, "We Asked Astronauts to Share Their Top Wellness Tips," 27 Apr. 2021 That work will build on years of studying biological and other scientific phenomena aboard the ISS, where the microgravity environment can give scientists a better fundamental understanding of how something works. Jackie Wattles, CNN, "SpaceX is sending a capsule back to space, this time with different astronauts," 22 Apr. 2021 Those experiments included studies of how people’s bodies responded to long-term spaceflight and what sorts of tasks crews could actually perform in microgravity. Kiona N. Smith, Forbes, "The World’s First Space Station Launched 40 Years Ago," 20 Apr. 2021 For the time being, it’s still the go-to for scientists needing to work in microgravity. Mike Wehner has reported on technology and video games for the past decade, covering breaking news and trends in VR, wearables, smartphones, and future tech. Mike Wehner, BGR, "Russia to decide whether to quit the International Space Station," 19 Apr. 2021 The boosters then separated from the crew capsule and glided back to a soft vertical landing on Earth. Detached from the engine system, the crew capsule hovered in microgravity before parachuting to the ground a few minutes later. Washington Post, "Blue Origin rocket moves closer to flying humans with latest launch," 14 Apr. 2021 The spacecraft will support experiments that are exploring treatments to restore vision to those with retinal degenerative diseases, why astronauts experience muscle weakening in microgravity and how astronauts sleep in space, among others. Harmeet Kaur, CNN, "A spacecraft named for 'Hidden Figures' mathematician Katherine Johnson has arrived on the International Space Station," 22 Feb. 2021 The orbiting laboratory offers a resource very difficult to obtain on Earth: microgravity. Eric Berger, Ars Technica, "After 20 years of service, the Space Station flies into an uncertain future," 1 Nov. 2020

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.

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First Known Use of microgravity

1974, in the meaning defined above

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Time Traveler for microgravity

Time Traveler

The first known use of microgravity was in 1974

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Statistics for microgravity

Last Updated

6 May 2021

Cite this Entry

“Microgravity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgravity. Accessed 16 May. 2021.

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More from Merriam-Webster on microgravity

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