Noun
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.
A diametral plane.
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.
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.
Source: Webster's dictionaryA beam may, for example, have an elliptical cross section, in which case the orientation of the beam diameter must be specified, for example with respect to the major or minor axis of the elliptical cross section. Source: Internet
A black hole with the mass of a car would have a diameter of about 10 −24 m and take a nanosecond to evaporate, during which time it would briefly have a luminosity of more than 200 times that of the Sun. Source: Internet
A 116.8 cm diameter high-gain parabolic antenna was mounted at the top of the frame as well. Source: Internet
According to the new estimates, the total number of Jupiter trojans with a diameter larger than 2 km is and in the L 4 and L 5 swarms, respectively. Source: Internet
A 50 × 3.0 indicates a nail 50 mm long (not including the head) and 3 mm in diameter. Source: Internet
A Bludger is convert in diameter. Source: Internet