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

During their time in space, the team conducted more than 200 experiments, including studies of plant growth, cell behavior in microgravity, blood flow and human physiological changes, Space.com reported. —Hollie Silverman, MSNBC Newsweek, 9 Aug. 2025

The quality of the cable generated in microgravity surpasses what can be produced on Earth. —Robert Z. Pearlman, Space.com, 9 Aug. 2025

Water systems built for microgravity In microgravity environments like the ISS, every form of water available is valuable. —Berrin Tansel, The Conversation, 30 July 2025

Because the vacuum and microgravity conditions found in low Earth orbit are ideal for growing ultra-pure crystals used in semiconductors and quantum materials. —Bernard Marr, Forbes.com, 24 July 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