Siderostat is valid Scrabble Word

Is siderostat a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is siderostat valid Words with Friends?
Words with Friends YES

10 letters word
11 points in Scrabble
11 points in WWF

Definitions for SIDEROSTAT in dictionary:

NOUN:

a mirror, or telescope with a mirror, for reflecting the rays of a star in a constant direction
an instrument used for keeping the image of a celestial object in a fixed position.
An apparatus consisting essentially of a mirror moved by clockwork so as to throw the rays of the sun or a star in a fixed direction; -- a more general term for heliostat.

Words related to SIDEROSTAT

siderostatic15 siderostats12

Words that contain SIDEROSTAT

siderostats12 siderostatic15

Find what other words can be done using letters: "siderostat"
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