ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
: one of the axes in a three-dimensional rectangular coordinate system : a line perpendicular to the plane of a polar coordinate system at the pole — compare cylindrical coordinate
ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
: one of the axes in a three-dimensional rectangular coordinate system : a line perpendicular to the plane of a polar coordinate system at the pole — compare cylindrical coordinate
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012