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.
Arceneaux experienced headaches, nasal congestion, and intense back pain as her spinal column stretched in microgravity. Dhruv Khullar, The New Yorker, 10 Feb. 2025 Muscle atrophy is a common ailment that astronauts must face off, although drugs have been shown to lessen its effects, and recent research has found that microgravity can also damage astronauts' eyesight. Keith Cooper, Space.com, 3 Feb. 2025 Despite concerns about radiation and microgravity, Dr. Steller reports that from what has been observed so far, the uterus and menstruation seem to function relatively normally in space. Lisa Falco, Forbes, 27 Jan. 2025 Much of it was meant to take advantage of the space station’s microgravity environment – research Don Pettit has played a large role in conducting. Eric Lagatta, USA TODAY, 31 Jan. 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

Dictionary Entries Near microgravity

Cite this Entry

“Microgravity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgravity. Accessed 22 Feb. 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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