strange particle

NOUN /streɪndʒ_'pɑrtɪkəl/
16 LETTERS · 3 SYLLABLES · STARTS WITH S

strange particle is a valid 16-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1T1R1A1N1G2E1P3A1R1T1I1C3L1E1
1 + 1 + 1 + 1 + 1 + 2 + 1 + 0 + 3 + 1 + 1 + 1 + 1 + 3 + 1 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does strange particle mean?

NOUN · 1 SENSE
1

An elementary particle with non-zero strangeness.