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

Turning microgravity into a manufacturing advantage Helogen says its approach is based on the unusual manufacturing environment created by microgravity. — Kaif Shaikh, Interesting Engineering, 2 Sep. 2026

For several months after their arrival, the astronauts will conduct scientific experiments meant for microgravity and maintain space station operations, which potentially includes spacewalks. — Eric Lagatta, USA Today, 1 Sep. 2026

Nuclear electric propulsion could both minimize launch costs and the time fragile human bodies are subjected to microgravity and radiation. — Harry Goldstein, IEEE Spectrum, 29 Aug. 2026

The upcoming edition of the adults-only event at Orlando Science Center will feature a mishmash of M words, from microgravity to mythbusting to music from the ’90s. — Dewayne Bevil, The Orlando Sentinel, 19 Aug. 2026

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