curvative

1. not comparableHaving slightly curved margins or sides.

   curvative force

plural curvatives

1. differential geometryThe first partial derivative of a function that describes a surface.

   Assume first that this region is exactly linear, with no curvative (i.e., ∂2ρ/∂x2 = 0).

   2010, Daniel M. Zuckerman, Statistical Physics of Biomolecules, →ISBN, page 288

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   Examination of waves larger than 60 metres will depend on the accuracy with which the spatial derivatives (tilts, curvatives, etc.) of the surface can be obtained.

   1977, IEEE Council on Oceanic Engineering, Oceanic Engineering Society (U.S.), Oceans

   This equation is descriptive of a Cornu spiral, a spiral whose curvative increases linearly with arclength.

   1981, 25th IEEE Machine Tools Conference, 1981

2. anatomyOne of the curved walls of the stomach.

   If local findings, the absence of peritonitis, and the clinical picture permit it, cases of this type can be managed by a radical curvative or palliative resection.

   2013, Horst D. Becker, Christian Herfarth, Werner Lierse, Surgery of the Stomach: Indications, Methods, Complications, →ISBN, page 285

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   According to Dr. Leuf, when water is taken into the full or partly full stomach, it does not mingle with the food, as we are taught, but passes along quickly between the food and lesser curvative toward the pylorus, through which it passes into the intestines.

   1890, Louis Philippe McCarty, Health, Happiness and Longevity, →ISBN

   Hyperperistalsis (gastric), with an increase of the number (three or more ) and depth of the waves on both curvatives, is seen typically in obstructing lesions of the duodenum.

   1924, American journal of psychiatry - Volume 80, page 687

3. A convexity or concavity in a surface.

   The five brooms have independent adjustments to conform, to curvatives in the road.

   1925, Municipal Journal and Public Works - Volume 56, page 511

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   An artist who perceives curvatives will also get the same impression when looking at the perspective.

   1964, Gezienus Doesschate, Perspective: fundamentals, controversials, history, page 49

   In a gravity field, the existence of mass-energy determines each element of the space-time curvative, transforms it, and bends space.

   2013, Anna-Teresa Tymieniecka, S. Matsuba, Immersing in the Concrete, →ISBN, page 140

   I cannot agree with them, for from this a slight ascent brings the traveler to the terminus of the plain, over which you pass a slight convexity, and begin to descend towards a second curvative of an equal height.

   2016, Alonzo Delano, Life on the Plains and among the Diggings, →ISBN

4. A curved deformation.

   Within these limits the maximum sale deflection of a beam of uniform curve may be taken as double that of a similar beam in which the curvative under stress, is a parabola.

   1905, Australasian Coachbuilder and Wheelwright

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   If the curvative is due to the unequal pull of the muscles supporting the spine, then the indication is to strengthen the weaker muscles until they are fully able to antagonize those of the opposite side.

   1895, The Journal of Electro-therapeutics - Volume 13, page 126

   Henri Bergson declares that “vice has often the appearance of the curvative of the soul” and evil displays a “moral kink” or “crooked twist” of perverted will or diseased appetite (69).

   2007, Chi-thinking: Chiasmus and Cognition, →ISBN, page 304