step-down transformer

NOUN
21 LETTERS · STARTS WITH S

step-down transformer is a valid 21-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1T1E1P3-0D2O1W4N1T1R1A1N1S1F4O1R1M3E1R1
1 + 1 + 1 + 3 + 0 + 2 + 1 + 4 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 4 + 1 + 1 + 3 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does step-down transformer mean?

NOUN · 1 SENSE
1

A transformer that reduces voltage.