SIDEROSTAT

Etymology

Noun

siderostat (plural siderostats)

(astronomy) A heliostat that may be used with stars as well as the sun.

Source: Wiktionary


Sid"er*o*stat, n. Etym: [L. sidus, sideris, a star + Gr. (Astron.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

1 June 2025

BACKFIRE

(verb) come back to the originator of an action with an undesired effect; “Your comments may backfire and cause you a lot of trouble”; “the political movie backlashed on the Democrats”


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Coffee Trivia

In the 16th century, Turkish women could divorce their husbands if the man failed to keep his family’s pot filled with coffee.

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