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

Two tests are approaching A parabolic flight campaign scheduled for November 2026 will examine electromagnetic actuation and tile mobility in microgravity. — Aamir Khollam, Interesting Engineering, 29 Oct. 2026

In the photo, Delaney is working petri dishes and experiment modules that support our growing understanding of how plants grow in the microgravity environment aboard the station. — Chelsea Gohd, Space.com, 21 Oct. 2026

Astronauts age faster in space because microgravity and radiation exposure negatively affect multiple body systems. — ABC News, 13 Oct. 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

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