ˈ ̷ ̷ ̷ ̷ˈ ̷ ̷( ̷ ̷) ̷ ̷ noun
1. : one of the three coordinates in a three-dimensional rectangular coordinate system
2. : the third coordinate in a cylindrical coordinate system
ˈ ̷ ̷ ̷ ̷ˈ ̷ ̷( ̷ ̷) ̷ ̷ noun
1. : one of the three coordinates in a three-dimensional rectangular coordinate system
2. : the third coordinate in a cylindrical coordinate system
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012