upward motion

13 LETTERS · STARTS WITH U

upward motion is a valid 13-letter word worth 20 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

U1P3W4A1R1D2M3O1T1I1O1N1

1 + 3 + 4 + 1 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 1 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does upward motion mean?