yar·dang 
(yärdäng′)
(yärdäng′)n.
A long, sharp ridge of soft, clearly differentiated sediments rising between two troughs made by wind or water erosion and extending parallel to the direction of the wind or water flow.
[Of Uyghur dialectal (Tarim Basin) origin, equivalent to modern standard Uyghur yardin, ablative of yar, ridge, steep bank; akin to Old Turkic yar.]
- unpreparedness
- unprepossessing
- unpretending
- unpretentious
- unpretentiously
- unpretentiousness
- unpriced
- unprincipled
- unprintable
- unproductive
- unproductively
- unproductiveness
- unprofessional
- unprofessionalism
- unprofessionally
- unprofitability
- unprofitable
- unprofitableness
- unprofitably
- unpromising
- unpromisingly
- unpronounceable
- unpropitious
- unpropitiously
- unprotected