Grade 7
(prime-me-rid-i-an) 5 syllables

Definition

noun. the meridian of zero degrees longitude from which other longitudes are calculated

Example Sentence

We passed over the prime meridian in our travels.

Synonyms

Greenwich Meridian; zero meridian; 0 degrees

Antonyms

equator

Hear It! Say It! Write It!

prime meridian
Hear It! Say It! Write It!