double replacement reaction

NOUN
27 LETTERS · STARTS WITH D

double replacement reaction is a valid 27-letter word worth 36 points in Scrabble and 46 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2O1U1B3L1E1R1E1P3L1A1C3E1M3E1N1T1R1E1A1C3T1I1O1N1
2 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 3 + 1 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =36 PTS
DOUBLE WORD → 72TRIPLE WORD → 108
MEANING

What does double replacement reaction mean?

NOUN · 1 SENSE
1

A chemical reaction between two compounds where the positive ion of one compound is exchanged with the positive ion of another compound.