zero gravity

uncountable

The state of apparent weightlessness which occurs in a very low gravity field, or in free fall.

Japanese Meaning

非常に低い重力場または自由落下状態で生じる、見かけ上の無重力状態

Astronauts experience zero gravity while orbiting Earth, which allows them to float inside the spacecraft.

宇宙飛行士は地球を周回している間に無重力を体験し、機内で浮遊することができます。

Sense（1）

The state of apparent weightlessness which occurs in a very low gravity field, or in free fall.

Starting at the zero-gravity of earth's core, accumulative acceleration is easily built up in a four-thousand-mile tube.