hydrogen electrode

18 LETTERS · STARTS WITH H

hydrogen electrode is a valid 18-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

H4Y4D2R1O1G2E1N1E1L1E1C3T1R1O1D2E1

4 + 4 + 2 + 1 + 1 + 2 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 2 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does hydrogen electrode mean?