What is another name for line of longitude?

Answer 1

A line of longitude is also called a meridian.

Meridians are half-great-circles that join the Earth's North and South Poles.

So they represent one-half of a polar circumference of the planet.

The Prime Meridian runs through England (Greenwich) and is 0 degrees longitude.

Answer 2

"Lines" of longitude are called "meridians".

-- A meridian is comprised of all the points on Earth that have the same unique longitude.

-- Every meridian is a semi-circle that joins the Earth's north and south poles.

-- Meridians are all the same length, equal to 1/2 the Earth's polar circumference, about 12,409 miles. (rounded)

Answer 3

Another name for line of longitude is meridian.