Zero to 180 east and zero to 180 west
another name for a line of longitude is meridian.
A "meridian" is a line of constant longitude.
Lines of longitude are also called meridians.
latitude lines is another name for parallels and longitude lines are called meridians
Every 'line' of constant longitude is a 'meridian'.
Each 'meridian' is a line of constant longitude.
meridians
they call parells
Meridian
For Maps, it is latitude and longitude.
Lines of longitude are also known as meridians. They run north-south and measure east-west.
'Lines' of longitude are called "meridians".The equator is not one of them.