reverberation time

18 LETTERS · STARTS WITH R

reverberation time is a valid 18-letter word worth 24 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1V4E1R1B3E1R1A1T1I1O1N1T1I1M3E1

1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 3 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does reverberation time mean?