thermometer

NOUN /,θɜrmə'mɛtrɪk/
11 LETTERS · 4 SYLLABLES · STARTS WITH T

thermometer is a valid 11-letter word worth 18 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1H4E1R1M3O1M3E1T1E1R1
1 + 4 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 1 =18 PTS
DOUBLE WORD → 36TRIPLE WORD → 54
MEANING

What does thermometer mean?