curvature

[kur-vuh-cher, -choor] Origin

cur·va·ture

[kur-vuh-cher, -choor]
noun
1.
the act of curving or the state of being curved.
2.
a curved condition, often abnormal: curvature of the spine.
3.
the degree of curving of a line or surface.
4.
Geometry.
a.
(at a point on a curve) the derivative of the inclination of the tangent with respect to arc length.
b.
the absolute value of this derivative.
5.
something curved.

Origin:
1375–1425; late Middle English < Latin curvātūra, equivalent to curvāt(us) past participle of curvāre to bend, curve + -ūra -ure. See -ate1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Curvature is always a great word to know.
So is slumgullion. Does it mean:
a chattering or flighty, light-headed person.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
curvature (ˈkɜːvətʃə)
 
n
1.  something curved or a curved part of a thing
2.  any normal or abnormal curving of a bodily part: curvature of the spine
3.  geometry radius of curvature See also centre of curvature the change in inclination of a tangent to a curve over unit length of arc. For a circle or sphere it is the reciprocal of the radius
4.  the act of curving or the state or degree of being curved or bent

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

curvature
1660s, from L. curvatura "bending," from curvare "to bend" (see curve). In non-Euclidian geometry, from 1873
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

curvature cur·va·ture (kûr'və-ch&oobreve;r', -chər)
n.
A curving or bending, especially an abnormal one.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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