antishadow

English

Etymology

From anti- +‎ shadow.

Noun

antishadow (plural antishadows)

1. (computer graphics) An inaccurate shadow in a three-dimensional rendering, caused by a vertex of an object being projected through the point of a light source.
   • 2011, Tomas Akenine-Möller, Eric Haines, Naty Hoffman, Real-Time Rendering, Third Edition, page 336:

     Correct shadows and antishadows are shown in Figure 9.6.

2. (physics) The dampening of subatomic shadow effects due to rescattering.
   • 1995, J.-F. Mathiot, J. Thanh Van Tran, The Heart of the Matter, from Nuclear Interactions to Quark Gluon Dynamics, →ISBN, page 494:

     The calculations prove that the rate of the colour transparency growth with v depends on the contribution of resonances in the inelastic antishadow rescattering.

   • 1995, Luciano Reatto, Franca Manghi, Progress in Computational Physics of Matter, →ISBN, page 1995:

     The other uses "antishadows", additional shadow degrees of freedom that can be made antithetic to the existing shadows.

   • 2009, Donald G. Crabb, Yelena Prok, Matt Poelker, Spin Physics: 18th International Spin Physics Symposium, →ISBN, page 122:

     Not necessarily, and the reason is the existence of the reflective (antishadow) scattering at the LHC energies.

3. Whiteness or brightness, especially where darkness is expected or found.
   • 1994, Bernard Schopen, William W. Savage, Jr., The Big Silence, →ISBN, page 5:

     The antishadow of pale skin between the exposed tops of her breasts said that her darkness came from the desert sun.

   • 2011, Barbara Kingsolver, Pigs in Heaven, →ISBN:

     She snaps the chain of the overhead bulb at the same moment a thin slice of white cat, an antishadow, slips past her legs.

   • 2012, Leah Bobet, Above, →ISBN:

     The flames melt into each other like antishadows, climb atop the backs of old papers and twigs and start to burn.

4. A dampening or absence of shadow.
   • 2004, Joan D. Vinge, Dreamfall, →ISBN, page 318:

     I glanced along the wall until I found a window, only recognizing it by the antishadows of clouds passing in the distance.

   • 2015, Jonathan Mingle, Fire and Ice: Soot, Solidarity, and Survival on the Roof of the World, →ISBN, page 201:

     The pine forests that coat the southern flanks of the gorge—and that, together with the antishadow cast by the frequent mists, make it look like the one true setting for all of those ancient Chinese ink scroll paintings of lonely poets and waterfalls—provide the wood for building homes, fuel for cooking and heating, something to sell in the market for a few yuan.

Verb

antishadow (third-person singular simple present antishadows, present participle antishadowing, simple past and past participle antishadowed)

1. To reduce subatomic shadow effects.
   • 1995, Physics of Atomic Nuclei - Volume 58, page 1615:

     This linear dependence has not been applied in data analysis since the discovery of the shadowing and antishadowing effects.

   • 1995, Research Experience for Undergraduates Research Reports:

     The shift of the momentum distributions towards higher x values not only explains why bound nucleons are shadowed relative to free ones at low x but also implies that the bound nucleons should be antishadowed at some higher values.

   • 2002, Vadim Guzey, Proceedings of the Workshop on Physics at the Japan Hadron Facility, →ISBN:

     First, while the origin of nuclear shadowing is understood, the dynamics of antishadowing is unknown

   • 2011, Yu L. Dokshitzer, P. Levai, Julia Nyiri, Gribov-80 Memorial Volume: Quantum Chromodynamics and Beyond, →ISBN:

     The nuclear structure function is predicted to be enhanced precisely in the domain 0.1<x<0.2 where antishadowing is empirically observed.

Adjective

antishadow (not comparable)

1. Opposed to quasilegal activity.
   • 1998, Lakdasa Wijetilleke, Rapti Goonesekere, Mitigating Transport Pollution in Developing Countries, →ISBN, page 27:

     The government pursues a variety of antishadow actions. For example, it enforces tax collection by introducing new taxes, using more sophisticated methods for accounting, calculating, paying, and auditing taxes, expanding the mandate of the tax administration, and investigating and punishing dodgers based on special normative acts rather than usually applied ones.

   • 2002, Russian Social Science Review, page 18:

     This must be kept in mind in examining the "antishadow economy" sentiments of the majority of Russians who experienced the Soviet period, many of whom have not found a place for themselves in today's criminal, shadow reality and have been driven to the margins of economic life.

   • 2005, David Baker, Gerald K. LeTendre, National Differences, Global Similarities, →ISBN, page 45:

     Note that in Chapter 4 we discuss the major antishadow-education policies of South Korea as an attempt to lessen social reproductive processes.