heaviside layer

NOUN /hɛvi,saɪd_'leɪər/
15 LETTERS · 4 SYLLABLES · STARTS WITH H

heaviside layer is a valid 15-letter word worth 24 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
H4E1A1V4I1S1I1D2E1L1A1Y4E1R1
4 + 1 + 1 + 4 + 1 + 1 + 1 + 2 + 1 + 0 + 1 + 1 + 4 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does heaviside layer mean?

NOUN · 1 SENSE
1

A region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length.