semidiameter

NOUN /,sɛmidaɪ'æmɪtər/
12 LETTERS · 6 SYLLABLES · STARTS WITH S

semidiameter is a valid 12-letter word worth 17 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1E1M3I1D2I1A1M3E1T1E1R1
1 + 1 + 3 + 1 + 2 + 1 + 1 + 3 + 1 + 1 + 1 + 1 =17 PTS
DOUBLE WORD → 34TRIPLE WORD → 51
MEANING

What does semidiameter mean?

NOUN · 1 SENSE
1

The apparent radius of a celestial body when viewed as a disc from the earth.

BROADER