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

Axiom does not rule out adding more modules still down the line, especially as the company attracts private sector and government customers willing to pay to have experiments run and hardware tested in microgravity. —Jeffrey Kluger, Time, 6 June 2025

This opens new opportunities for microgravity research, in-space manufacturing and biotechnology. —Kurt Knutsson, FOXNews.com, 18 May 2025

In other words, the length of telomeres indicates how quickly someone may be aging. Stressors associated with microgravity, radiation, diet, exercise, and even loneliness have all been shown to induce aging in astronauts. —Discover Magazine, 18 Apr. 2025

It's designed to loft a payload of up to 22 pounds (10 kilograms) above the Kármán line for up to three minutes of microgravity, before returning to a runway landing. —ArsTechnica, 23 May 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