Prime Meridian

 Longman Dictionary of Contemporary English Online朗文当代英语 5++LDOCE Online朗文 5++

Related topics: Geography

ˌPrime ˈMeridian  SGthe imaginary line drawn from north to south on the Earth, from which east and west are measured in degrees on a map

ˌPrime ˈMeridianSyllable  

Prime Meridian
Prime Me.rid.i.an /ˌ..ˈ.../
the imaginary line drawn from north to south on the earth, from which east and west are measured in degrees on a map