YD
| Definition | : | Younger Dryas |
| Category | : | Academic & Science » History & Geography |
| Country/Region | : | Worldwide  |
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Initialism
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What does YD mean?
Younger Dryas (YD) was a cold event that occurred between 12,800 and 11,600 calendar years ago. YD was characterized by a relatively sudden drop in temperature during the period.
The Younger Dryas named after Dryas octopetala, a small white and yellow wildflower of the rose family that flourished during the cold snap.
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yd | yard | |
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YD | Yaw Damper | |
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YD | Yankee Division |