What is diameter?

  • (noun): The length of a straight line passing through the center of a circle and connecting two points on the circumference.
    Synonyms: diam
    See also — Additional definitions below


Not to be confused with Demeter.

Read more about Diameter.

Some articles on diameter:

Diameter Credit-Control Application - Related Standards
... RFC 4005 - Diameter Network Access Server Application ... RFC 4006 - Diameter Credit-Control Application ... management - Charging management - Diameter charging applications ...
Diameter Symbol
... The symbol or variable for diameter, ⌀, is similar in size and design to ø, the Latin small letter o with stroke ... On an Apple Macintosh, the diameter symbol can be entered via the character palette (this is opened by pressing ⌥ Opt⌘ CmdT in most applications), where it can be ... In LaTeX the symbol is achieved with the command \diameter which is part of the wasysym package ...
David L. Fried
... Fried described what has come to be known as Fried's seeing diameter, or r0 (usually pronounced r-naught) ... The seeing diameter is effectively a limiting aperture due to atmospheric turbulence, and is found either empirically or statistically ... The seeing diameter limits optical resolution ...

More definitions of "diameter":

  • (noun): A straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface).