heaviside region

16 LETTERS · STARTS WITH H

heaviside region is a valid 16-letter word worth 23 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4E1A1V4I1S1I1D2E1R1E1G2I1O1N1

4 + 1 + 1 + 4 + 1 + 1 + 1 + 2 + 1 + 0 + 1 + 1 + 2 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does heaviside region mean?