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What does O/R stand for? 

What does O/R mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: O/R.

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o/r

On Request

Miscellaneous » Aircraft & Aviation

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O/R

Outside Radius

Governmental » NASA

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O/R

Oxygen Relief

Governmental » NASA

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    YOLO
    A You Obviously Lack Originality
    B You Obviously Love Oreos
    C You Only Live Once
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