recording altimeter

19 LETTERS · STARTS WITH R

recording altimeter is a valid 19-letter word worth 24 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1C3O1R1D2I1N1G2A1L1T1I1M3E1T1E1R1

1 + 1 + 3 + 1 + 1 + 2 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does recording altimeter mean?