YY
From Wikipedia, the free encyclopedia
YY may refer to:
- Yo-yo
- YY, the call sign prefix for radio stations in Venezuela
- Yakety Yak, the Coasters doo-wop song
- Yakkity Yak, a Nicktoons Network show
- XYY syndrome, a generic aneuploidy in which the Y chromosome is duplicated
- (19146) 1989 YY, main-belt minor planet
- Peptide YY 3-36, a peptide secreted by the gut in response to a meal, and reduces appetite
- The IATA designator for all airlines in a GDS reservation, used to avoid the need to address each airline individually.
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