Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
spaceflight | Yes | No | No | No |
gravity-assist | Yes | No | No | No |
spaceflight (noun) | gravity-assist (noun) |
---|---|
a voyage outside the Earth's atmosphere | (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field |