Meaning Of The Word OAO

Real Dictionary

What's the definition of OAO? Find OAO meanings, definitions and more at the Real Dictionary online.

OAO Meaning

OAO Definition
OAO Definition

What's The Definition Of OAO?

OAO in American English
abbreviation: Orbiting Astronomical Observatory: one of a series of scientific satellites that studied astronomical phenomena at ultraviolet and x-ray wavelengths

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