combined operation

NOUN
18 LETTERS · STARTS WITH C

combined operation is a valid 18-letter word worth 26 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1M3B3I1N1E1D2O1P3E1R1A1T1I1O1N1
3 + 1 + 3 + 3 + 1 + 1 + 1 + 2 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =26 PTS
DOUBLE WORD → 52TRIPLE WORD → 78
MEANING

What does combined operation mean?

NOUN · 1 SENSE
1

A military operation carried out cooperatively by two or more allied nations or a military operation carried out by coordination of sea, land, and air forces.