grade separation

NOUN /greɪd_,sɛpə'reɪʃən/
16 LETTERS · STARTS WITH G

grade separation is a valid 16-letter word worth 19 points in Scrabble and 22 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2R1A1D2E1S1E1P3A1R1A1T1I1O1N1
2 + 1 + 1 + 2 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does grade separation mean?

NOUN · 1 SENSE
1

A crossing that uses an underpass or overpass.