oscillograph recorder

21 LETTERS · STARTS WITH O

oscillograph recorder is a valid 21-letter word worth 31 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

O1S1C3I1L1L1O1G2R1A1P3H4R1E1C3O1R1D2E1R1

1 + 1 + 3 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 3 + 4 + 0 + 1 + 1 + 3 + 1 + 1 + 2 + 1 + 1 =31 PTS

DOUBLE WORD → 62TRIPLE WORD → 93

MEANING

What does oscillograph recorder mean?