heavy nitrogen

14 LETTERS · STARTS WITH H

heavy nitrogen is a valid 14-letter word worth 23 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4E1A1V4Y4N1I1T1R1O1G2E1N1

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

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does heavy nitrogen mean?