sound spectrograph

NOUN
18 LETTERS · 3 SYLLABLES · STARTS WITH S

sound spectrograph is a valid 18-letter word worth 28 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1O1U1N1D2S1P3E1C3T1R1O1G2R1A1P3H4
1 + 1 + 1 + 1 + 2 + 0 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 3 + 4 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does sound spectrograph mean?

NOUN · 1 SENSE
1

A spectrograph for acoustic spectra.