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underside

[uhn-der-sahyd] /ˈʌn dərˌsaɪd/
noun
1.
an under or lower side.
Origin
1670-1680
1670-80; under- + side1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for underside
  • But the air on the bottom still strikes the underside of the wing, pushes it up into the partial vacuum and then bounces down.
  • The light then bounces off the bottom mirror, and then bounces again off the underside of the top mirror.
  • The underside of the leather, which is suede, should be the same color as the finished side.
  • If so, the plastron would have shielded the turtle's underside from predators approaching from below.
  • Using the second magnet to hold it in place, put the second bearing on the underside of the fabric.
  • There were also poverty, discord and social injustice-the same dark underside as any urban center.
  • But the protection offered by a cradle-to-grave welfare system hides a dark underside.
  • And it is known that the plankton they eat cling to the underside of packed ice, ice that may start melting as temperatures rise.
  • To inch along over coral and rocks, they use a flat muscle on their underside, called a sticky foot.
  • They dive down deep and look for prey that appear as dark silhouettes against the brighter underside of the ice.
British Dictionary definitions for underside

underside

/ˈʌndəˌsaɪd/
noun
1.
the bottom or lower surface
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 underside
underside
c.1680, from under + side (n.). Cf. Du. onderzijde, Dan. underside, Ger. unterseite.
Online Etymology Dictionary, © 2010 Douglas Harper
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11
13
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