There are no parallels of longitude, because longitudinal lines aren't parallel. We call them "meridians".
Lines of latitude ARE parallel, and so the expression "45th parallel" would be an accurate description.
another name for a line of longitude is meridian.
another name for a line of longitude is meridian.
longitude.
A "meridian" is a line of constant longitude.
Another name for a line of longitude is "meridian."
Another name for a line of longitude is a Meridian, with the Prime Meridian being zero that passes through Greenwich, UK.
They're often referred to as "meridians" of longitude.
Lines of longitude are also called meridians.
longitude
eridians
Every 'line' of constant longitude is a 'meridian'.
A Meridian (I Think)