physical attraction

NOUN
19 LETTERS · STARTS WITH P

physical attraction is a valid 19-letter word worth 30 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
P3H4Y4S1I1C3A1L1A1T1T1R1A1C3T1I1O1N1
3 + 4 + 4 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does physical attraction mean?