compression stroke

18 LETTERS · STARTS WITH C

compression stroke is a valid 18-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1M3P3R1E1S1S1I1O1N1S1T1R1O1K5E1

3 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 5 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does compression stroke mean?