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

Going forward, the team now needs to overcome other major challenges, like refining autonomous robotic assembly in microgravity. —Christopher McFadden, Interesting Engineering, 25 Apr. 2026

Axiom had delays of its own in developing a suit with features that can be swapped out to focus on moon or microgravity environments. —Elizabeth Howell, Space.com, 22 Apr. 2026

And now a new study shows that microgravity, colloquially referred to as zero g, affects astronauts’ motor skills, too. —Claire Cameron, Scientific American, 20 Apr. 2026

This year, one group is studying how astronauts' bodies move during transitions into and out of microgravity moments that can cause motion sickness and affect performance. —Nick Lunemann, CBS News, 20 Apr. 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