meteorological visibility
greatest distance at which a black object of suitable dimensions can be recognized by day against the horizon sky
Note 1 to entry: This entry was numbered 17-773 in CIE S 017:2011.
meteorological visibility
greatest distance at which a black object of suitable dimensions can be recognized by day against the horizon sky
Note 1 to entry: This entry was numbered 17-773 in CIE S 017:2011.