diameter, diam
(noun) the length of a straight line passing through the center of a circle and connecting two points on the circumference
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)
Source: WordNet® 3.1
diameter (plural diameters)
(geometry) Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
(geometry) The length of such a line.
(geometry) The maximum distance between any two points in a metric space
(graph theory) The maximum eccentricity over all vertices in a graph.
• Demetria, diametre, diatreme
Source: Wiktionary
Di*am"e*ter, n. Etym: [F. diamètre, L. diametros, fr. Gr. Meter.]
1. (Geom.) (a) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve. (b) A diametral plane.
2. The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.
Note: In an elongated object the diameter is usually taken at right angles to the longer axis.
3. (Arch.)
Definition: The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module. Conjugate diameters. See under Conjugate.
Source: Webster’s Unabridged Dictionary 1913 Edition
24 April 2025
(noun) an obsolete term for the network of viscous material in the cell nucleus on which the chromatin granules were thought to be suspended
The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.
