dihedral angle

English

Dihedral angle

Noun

dihedral angle (plural dihedral angles)

1. (geometry) The angle between two planes.
   • 1830, Pierce Morton, Geometry, Plane, Solid and Spherical, London: Baldwin and Cradock, page 136:

     Any two dihedral angles are to one another as the angles contained by perpendiculars drawn as in the last proposition.

   • 1981, Jane S. Richardson, “The Anatomy and Taxonomy of Protein Structure”, in C. B. Afinson, John T. Edsall, Frederic M. Richards, editors, Advances in Protein Chemistry, volume 34, page 173:

     The remaining dihedral angles are the source of essentially all the interesting variability in protein conformation.

   • 2009, Reza Abbaschian, Lara Abbaschian, Robert E. Reed-Hill, Physical Metallurgy Principles, Cengage Learning, page 176:

     The significance of small dihedral angles is readily apparent in Fig. 6.20, where the shape of the intersection is shown for angles of 10° and 1°.

Translations

angle between two planes

• Esperanto: duedra angulo
• Finnish: diedrikulma
• German: Diederwinkel m
• Hungarian: lapszög (hu), diéderszög
• Italian: angolo diedro m