set theory

NOUN /sɛt_'θiəri/
10 LETTERS · 3 SYLLABLES · STARTS WITH S

set theory is a valid 10-letter word worth 15 points in Scrabble and 13 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1T1T1H4E1O1R1Y4
1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 4 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does set theory mean?

NOUN · 1 SENSE
1

The branch of pure mathematics that deals with the nature and relations of sets.