cassegrainian telescope

NOUN
23 LETTERS · 7 SYLLABLES · STARTS WITH C

cassegrainian telescope is a valid 23-letter word worth 29 points in Scrabble and 36 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3A1S1S1E1G2R1A1I1N1I1A1N1T1E1L1E1S1C3O1P3E1
3 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 3 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does cassegrainian telescope mean?

NOUN · 1 SENSE
1

A reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror.