Definition

A line on a map that connects points with the same angle difference between grid north and magnetic north.

Example

The isogriv on the map helps navigators understand the relationship between grid north and magnetic north.

Conversation

Have you ever heard of an isogriv?

No, I haven't. What is it?

It's a line on a map that shows equal angular differences between grid north and magnetic north.

That sounds interesting! I might need to look into it for my geography project.

Synonyms & Antonyms

Root Explanation

This word originates from a combination of Greek roots: 'iso-' (meaning equal) and 'griv' (which does not have a clear etymological source but may relate to a concept of writing or script). The term 'isogriv' suggests a form of writing or script that is equal or uniform in some manner.

Memory Tip

Think of 'iso-' meaning equal, which helps you remember that 'isogriv' relates to a concept of equal or uniform writing.

Visually Confused Words