DefinitionA <CENTESIMAL SECOND OF ARC> is a <PropertyQuantification> between a <PLANE ANGLE> and a <NUMBER SPACE OF 0 TO INF>; it is defined as one ten-thousandths of a gradian (1 grad/10000). In SI units this is 2&amp;amp;#207;&#226;‚&#172;/4000000 radians or approximately 1.570 796 x 10-6 rad