linguistic scientist

NOUN /lɪŋ'gwɪstɪk_'saɪəntɪst/
20 LETTERS · STARTS WITH L

linguistic scientist is a valid 20-letter word worth 24 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
L1I1N1G2U1I1S1T1I1C3S1C3I1E1N1T1I1S1T1
1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does linguistic scientist mean?