un cambered

camber

[kam-ber]
verb (used with object), verb (used without object)
1.
to arch slightly; bend or curve upward in the middle.
noun
2.
a slight arching, upward curve, or convexity, as of the deck of a ship.
3.
a slightly arching piece of timber.
4.
Aeronautics. the rise of the curve of an airfoil, usually expressed as the ratio of the rise to the length of the chord of the airfoil.
5.
Automotive. the outward or inward tilt of a wheel, called positive when the top tilts outward and negative when it tilts inward, measured as the angle, in degrees, between the vertical and a plane through the circumference of the tire.

Origin:
1610–20; < Middle French (north) cambre bent < Latin camur hooked, curved

uncambered, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
camber (ˈkæmbə)
 
n
1.  a slight upward curve to the centre of the surface of a road, ship's deck, etc
2.  another name for bank
3.  an outward inclination of the front wheels of a road vehicle so that they are slightly closer together at the bottom than at the top
4.  Also called: hog a small arching curve of a beam or girder provided to lessen deflection and improve appearance
5.  aerofoil curvature expressed by the ratio of the maximum height of the aerofoil mean line to its chord
 
vb
6.  to form or be formed with a surface that curves upwards to its centre
 
[C17: from Old French (northern dialect) cambre curved, from Latin camurus; related to camerachamber]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

camber
1610s, nautical term, from O.Fr. cambre, chambre "bent," from L. camurum (nom. camur) "crooked, arched;" related to camera.
Online Etymology Dictionary, © 2010 Douglas Harper
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