rectangular hyperbola

21 LETTERS · STARTS WITH R

rectangular hyperbola is a valid 21-letter word worth 33 points in Scrabble and 39 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1E1C3T1A1N1G2U1L1A1R1H4Y4P3E1R1B3O1L1A1

1 + 1 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 4 + 4 + 3 + 1 + 1 + 3 + 1 + 1 + 1 =33 PTS

DOUBLE WORD → 66TRIPLE WORD → 99

MEANING

What does rectangular hyperbola mean?