mirror-image relation

NOUN
21 LETTERS · STARTS WITH M

mirror-image relation is a valid 21-letter word worth 24 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3I1R1R1O1R1-0I1M3A1G2E1R1E1L1A1T1I1O1N1
3 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 2 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does mirror-image relation mean?

NOUN · 1 SENSE
1

The relation of opposition between crystals or molecules that are reflections of one another.

BROADER