arc sec
Words nearby arc sec
arc de triomphe,
arc furnace,
arc lamp,
arc light,
arc of lowitz,
arc sec,
arc secant,
arc second,
arc sine,
arc spectrum,
arc tan
British Dictionary definitions for arcsec
arcsec
arc second
/ (ˈɑːksɛk) /
noun
1/3600 of a degree of an angle