perpetual motion machine

NOUN
24 LETTERS · STARTS WITH P

perpetual motion machine is a valid 24-letter word worth 35 points in Scrabble and 43 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3E1R1P3E1T1U1A1L1M3O1T1I1O1N1M3A1C3H4I1N1E1
3 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 3 + 4 + 1 + 1 + 1 =35 PTS
DOUBLE WORD → 70TRIPLE WORD → 105
MEANING

What does perpetual motion machine mean?

NOUN · 1 SENSE
1

A machine that can continue to do work indefinitely without drawing energy from some external source; impossible under the law of conservation of energy.

BROADER