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upwind

[adv., adj. uhp-wind; n. uhp-wind] /adv., adj. ˈʌpˈwɪnd; n. ˈʌpˌwɪnd/
adverb
1.
toward or against the wind or the direction from which it is blowing:
The hunters stalked upwind.
adjective
2.
moving or situated toward or in the direction from which the wind is blowing:
an upwind leap; the upwind portions of the aircraft.
noun
3.
a wind that blows against one's course or up a slope.
Origin
1830-1840
1830-40; up- + wind1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for upwind
  • On a windy site, drive in a stake upwind of the rootball.
  • One good look upwind on those maps makes your brain for a week.
  • The elephant, visually oblivious and upwind of our smell, keeps coming.
  • It would be a difficult upwind start, forcing him to tack back and forth several times within the narrow confines of the harbor.
  • The report suggests that even tougher restrictions on nitrogen emissions from upwind power plants may be needed to stem to trend.
  • The upwind tower-induced velocity effect is minimal, and the few codes that attempt to predict it are close.
  • upwind oriented flights were zigzagging upwind flights within the likely odor plume downwind of the fruit or pipe vent.
  • Although the upwind choice is based largely on noise considerations, it also results in lower blade fatigue.
  • However, use of an upwind meteorological tower can be difficult at some sites.
  • On an upwind course in a small boat, the crew typically sit forward to reduce drag.
British Dictionary definitions for upwind

upwind

/ˈʌpˈwɪnd/
adverb
1.
into or against the wind
2.
towards or on the side where the wind is blowing; windward
adjective
3.
going against the wind: the upwind leg of the course
4.
on the windward side: the upwind side of the house has weathered
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for upwind
adj.

1838, from up- + wind (n.1). Originally a nautical term.

Online Etymology Dictionary, © 2010 Douglas Harper
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