Definition of siderealize in English:

siderealize

verb

rare
  • with object To elevate as if to the level of the stars or heavens; to raise to a superior level of brilliance or refinement. Also without object: to be elevated in this way.

Origin

Mid 19th century; earliest use found in Walter Pater (1839–1894), author and aesthete. From sidereal + -ize.

Pronunciation

siderealize

/sʌɪˈdɪərɪəlʌɪz/