parametric amplifier

20 LETTERS · STARTS WITH P

parametric amplifier is a valid 20-letter word worth 32 points in Scrabble and 38 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3A1R1A1M3E1T1R1I1C3A1M3P3L1I1F4I1E1R1

3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 3 + 1 + 1 + 4 + 1 + 1 + 1 =32 PTS

DOUBLE WORD → 64TRIPLE WORD → 96

MEANING

What does parametric amplifier mean?