downwash

名词 n.
中文释义

英文释义

名词 n.
  1. downward air turbulence caused by a propeller or jet, but especially by helicopter blades
  2. The downward motion of air as a result of eddies behind a wing or chimney, etc.
    — There is significant upwash ahead of the wing and even more downwash behind the wing.

词形变化

downwashes plural

词汇关系

反义词
upwash
相关词
backwash

词源

Etymology tree
English down-
Proto-Indo-European *wed-
Proto-Indo-European *-sḱéti
Proto-Indo-European *wodsḱéti
Proto-Germanic *waskaną
Proto-West Germanic *waskan
Old English wascan
Middle English wasshen
English wash
English downwash
From down- + wash.
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