regular octahedron

NOUN
18 LETTERS · STARTS WITH R

regular octahedron is a valid 18-letter word worth 24 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
R1E1G2U1L1A1R1O1C3T1A1H4E1D2R1O1N1
1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 1 + 3 + 1 + 1 + 4 + 1 + 2 + 1 + 1 + 1 =24 PTS
DOUBLE WORD → 48TRIPLE WORD → 72
MEANING

What does regular octahedron mean?

NOUN · 1 SENSE