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di·am·e·ter /daɪˈæmətɚ/

直徑,徑

di·am·e·ter /daɪˈæmətɚ/ 名詞

直徑,徑

diameter

直徑

From: Network Terminology

diameter

直徑

Di·am·e·ter n.

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. 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.

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From: WordNet (r) 2.0

diameter

n 1: the length of a straight line passing through the center of

a circle and connecting two points on the circumference

[syn: diam]

2: 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)