Also known as: yd.
YD has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of YD in Scientific & Educational.
The principal unit of length in the Imperial system; three feet, equal to 914.4mm.
Scientific & EducationalIs a device used on many aircraft (usually jets and turboprops) to damp (reduce) the rolling and yawing oscillations known as the Dutch roll mode.
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