Definitions
from The Century Dictionary.
- noun A prism with two refractive edges each of small angle, its cross-section being an obtuse-angled isosceles triangle.
from the GNU version of the Collaborative International Dictionary of English.
- noun A prism whose refracting angle is very nearly 180 degrees.
- noun A combination of two short rectangular glass prisms cemented together at their diagonal faces so as to form a cube; -- called also
optical cube . It is used in one form of photometer.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mathematics A
fusion of twotriangular prisms - noun physics An
optical device of this construction used to generate interference fringes
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun an optical device for obtaining interference fringes
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
bi- + prism
Support
Help support Wordnik (and make this page ad-free) by adopting the word biprism.
Examples
-
In connexion with his study of the theory and phenomena of diffraction and interference he devised his double mirrors and biprism in order to obtain two sources of light independent of apertures or the edges of opaque obstacles.
The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI 1840-1916 1913
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.