| Y |
| Acronym |
Definition |
Added/Updated |
| Y2K |
Year 2000 |
06/30/2000 |
| YANKEE |
Yankee Atomic Electric Co. (commercial power reactor) Massachusetts |
06/30/2000 |
| YCF |
Yankee critical facility |
06/30/2000 |
| YEI |
Youth for Energy Independence |
06/30/2000 |
| YFB |
Yakima Fold Belt |
09/21/2004 |
| YFC |
Yakima Firing Center (note spelling) |
06/30/2000 |
| YFSI |
Yellow Freight Systems Incorporated |
06/30/2000 |
| YHR |
Yakima Herald Republic (newspaper) |
06/30/2000 |
| YIN |
Yakama Indian Nation (note spelling) |
06/30/2000 |
| YMPO |
Yucca Mountain Project Office (DOE) |
06/30/2000 |
| YMSCPO |
Yucca Mountain Site Characterization Project Office (DOE) |
06/30/2000 |
| YOP |
Youth Opportunity Program |
06/30/2000 |
| YTC |
Yakama Tribal Council (note spelling) |
06/30/2000 |
| YTD |
Year to date |
06/30/2000 |
| YVC |
Yakima Valley College (note spelling) |
06/30/2000 |