the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
milliradian 1
noundomain: quantity
Princeton WordNet [ver.3.1]
English
Definition
a unit of angular distance equal to one thousandth of a radian
the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)