/fluy"buy'/, n., pl. flybys.
1. the flight of a spacecraft close enough to a celestial object, as a planet, to gather scientific data.
2. Aeron.
a. Also called flypast. a low-altitude flight of an aircraft for the benefit of ground observers.
b. flyover (def. 1).
Also, fly-by.
[1950-55, Amer.; n. use of v. phrase fly by]

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Universalium. 2010.

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