microgravity

noun

mi·​cro·​grav·​i·​ty ˌmī-krə-ˈgra-və-tē 

: 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

By allowing droplets to move freely, the study explores how surface tension, viscosity and other forces affect fluid dynamics in microgravity. —Kenna Hughes-Castleberry, Space.com, 8 July 2025

The program will provide startups with the opportunity to test their technologies on the International Space Station—a rare chance to validate hardware in an actual microgravity environment. —Geri Stengel, Forbes.com, 2 July 2025

While experiencing a few minutes of microgravity, passengers have the opportunity to unstrap themselves from their seats to gaze out the capsule’s large windows and take in a stunning view of Earth. —Eric Lagatta, USA Today, 28 June 2025

Each of Axiom's crewed missions grow the company's experience in orbit, and their understanding of how best to operate in microgravity. —Josh Dinner, Space.com, 20 June 2025

Word History

First Known Use

1974, in the meaning defined above

Rhymes for microgravity

• intracavity
• supergravity
• cavity
• gravity
• concavity
• depravity

Kids Definition

microgravity

noun

mi·​cro·​grav·​i·​ty ˌmī-krə-ˈgrav-ət-ē 

: the condition of being weightless or of the near absence of gravity