A.Word.A.Day --sidereal

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Yesterday's Word

sidereal

PRONUNCIATION:

(sy-DEE-ree-uhl)

MEANING:

adjective:
1. Relating to the stars.
2. Measured with reference to the apparent motion of the stars. For example, sidereal time.

ETYMOLOGY:

From Latin sidus (star).

USAGE:

"The silvery, coarse grain of Maisel's prints in negative makes it hard to tell whether they present day or night views. In several, a darkness looms different from that of sidereal night."
Kenneth Baker; 'Home Movies' Not Like the Ones Your Dad Made; San Francisco Chronicle; Apr 14, 2007.

See more usage examples of sidereal in Vocabulary.com's dictionary.

A THOUGHT FOR TODAY:

Oh, how small a portion of earth will hold us when we are dead, who ambitiously seek after the whole world while we are living! -Philip of Macedon, king, father of Alexander the Great (382-336 BCE)

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