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ufos

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UFO

One entry found.

Main Entry: UFO

Pronunciation: \ˌyü-(ˌ)ef-ˈō\

Function: noun

Inflected Form(s): plural UFO's or UFOs \-ˈōz\

Etymology: unidentified flying object

Date: 1953

: an unidentified flying object; especially : flying saucer

Learn more about "ufos"

Learn more about "ufos" and related topics at Britannica.com

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