equivalence relation

20 LETTERS · STARTS WITH E

equivalence relation is a valid 20-letter word worth 33 points in Scrabble and 40 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

E1Q10U1I1V4A1L1E1N1C3E1R1E1L1A1T1I1O1N1

1 + 10 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =33 PTS

DOUBLE WORD → 66TRIPLE WORD → 99

MEANING

What does equivalence relation mean?