schlieren photography

21 LETTERS · STARTS WITH S

schlieren photography is a valid 21-letter word worth 39 points in Scrabble and 41 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1C3H4L1I1E1R1E1N1P3H4O1T1O1G2R1A1P3H4Y4

1 + 3 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 4 + 1 + 1 + 1 + 2 + 1 + 1 + 3 + 4 + 4 =39 PTS

DOUBLE WORD → 78TRIPLE WORD → 117

MEANING

What does schlieren photography mean?