negative taxis

14 LETTERS · STARTS WITH N

negative taxis is a valid 14-letter word worth 24 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1E1G2A1T1I1V4E1T1A1X8I1S1

1 + 1 + 2 + 1 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 8 + 1 + 1 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does negative taxis mean?