Wiktionary
n. The state of apparent weightlessness which occurs in a very low gravity field, or in free fall.
Wikipedia
Zero gravity refers to weightlessness.
Zero gravity may also refer to:
"Zero Gravity" is a single by Estonian recording artist Kerli,produced by Jakob Hazell and Svante Halldin. It was officially released on March 20, 2012 by The Island Def Jam Music Group on digital media stores. The song draws heavy inspiration from space tourism, air, and more prominently, sylphs, as reflected in the music video which premiered on March 22. The song is about "merging with the spirit, becoming all love."
"Zero Gravity" debuted at number 32 on Billboard's Hot Dance Club Songs chart for the week of April 28, 2012. During its eighth week on the chart, the song peaked at number 6 for the week of June 16.
Usage examples of "zero gravity".
But what if she can't hack it in zero gravity or she's a lousy pilot or something else goes wrong?
In zero gravity microorganisms tended to flourish, surviving on free-floating water droplets in the air.
He pulled in a deep breath of canned air as he carefully tucked the pick into its loop on his belt and then pulled out the ballpoint pen (guaranteed to work even in zero gravity) and labeled the sample bag precisely: date, time, exact distance from the rim.
It had been delightful sleeping together in zero gravity on the Startree.
It was Tony Reed, smiling as if he had been born in zero gravity, gliding effortlessly along the passageway like a grinning dolphin.
The movement of objects in zero gravity, a milky-slow ballet, had some appeal.
The fact was, the novelty of watching nondescript people performing incomprehensible tasks soon palled, zero gravity or not.
The instant transition to zero gravity was a shock, like falling off a cliff, and he had to swallow a few times to keep his peanuts down.