diameter

noun (n)

1. the length of a straight line passing through the center of a circle and connecting two points on the circumference (noun.attribute)

   Sinonim: diam

   Sumber: wordnet30

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) (noun.shape)

   Sumber: wordnet30

3. 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. (noun)

   Sumber: webster1913