Your American History Reference Guide!
- Dispersion
American History Search
American History Browse
Dispersion
Dispersion
can mean any of several things:
A phenomenon that causes the separation of a
wave
into components of varying
frequency
. See
dispersion (optics)
and
dispersion (water waves)
.
In
chemistry
:
A stable or unstable system of fine particles, larger than colloidal size, evenly distributed in a medium.
The fraction of atoms of a material exposed to the surface. See
dispersion (materials science)
.
In the
technical terminology
of
gemology
, the difference in the refractive index of a material at the B and G
Fraunhofer
wavelengths of 686.7
nm
and 430.8 nm. Simply, the degree to which the
gemstone
shows fire or color. See
Abbe number
and
dispersion (optics)
.
Statistical dispersion
.
The contents of this article are licensed from
Wikipedia.org
under the
GNU Free Documentation License
. How to see
transparent copy
Search
|
Browse
|
Contact
|
Legal info