What does Y/O stand for?

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

We've found a total of 2 definitions for Y/O:

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Y/O

Year Old

Medical » Physiology

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Y/O

Year-Old

Medical » Hospitals

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"Y/O." Abbreviations.com. STANDS4 LLC, 2015. Web. 1 Sep. 2015. <http://www.abbreviations.comserp.php?st=Y%2FO>.