isogonic line

NOUN
13 LETTERS · STARTS WITH I

isogonic line is a valid 13-letter word worth 15 points in Scrabble and 20 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1S1O1G2O1N1I1C3L1I1N1E1
1 + 1 + 1 + 2 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 1 + 1 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does isogonic line mean?

NOUN · 1 SENSE
1

An imaginary line connecting points on the Earth's surface where the magnetic declination is the same.

BROADER