diameter

n. length of a central line which extends from one side of an object to its opposite side

For the geometric term, see Diameter DIAMETER is a computer networking protocol for AAA (Authentication, Authorization and Accounting). It is a successor to RADIUS.
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For the authentication, authorisation, and accounting protocol, see DIAMETER. In geometry, a diameter (Greek words diairo = divide and metro = measure) of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle. The diameters are the longest chords of the circle.
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Noun
1. the length of a straight line passing through the center of a circle and connecting two points on the circumference
(synonym) diam
(hypernym) length
(hyponym) bore, gauge, caliber, calibre
(part-meronym) radius, r
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)
(hypernym) straight line

n. diameter, diam., length of a central line which extends from one side of an object to its opposite side

n. diameter, length of a central line which extends from one side of an object to its opposite side; bore