direct sum

NOUN /dɪ'rɛkt_səm/
10 LETTERS · STARTS WITH D

direct sum is a valid 10-letter word worth 14 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2I1R1E1C3T1S1U1M3
2 + 1 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 3 =14 PTS
DOUBLE WORD → 28TRIPLE WORD → 42
MEANING

What does direct sum mean?

NOUN · 1 SENSE
1

A union of two disjoint sets in which every element is the sum of an element from each of the disjoint sets.

BROADER
JOINSUMUNION