sidereal

adj
/saɪˈdɪə.ɹi.əl/UK/saɪˈdɪɚ.i.əl/US

Etymology

From Latin sīdereus + -al (cf. Latin sīderālis), from sīdus (“star, constellation”), of unknown ultimate origin, likely a substrate language such as Pre-Greek.

  1. derived from sīdereus

Definitions

  1. Of or relating to the stars.

    • These fringes of lamplight, struggling up through smoke and thousandfold exhalation, some fathoms into the ancient reign of Night, what thinks Boötes of them, as he leads his Hunting-Dogs over the Zenith in their leash of sidereal fire?
    • The field of sidereal astronomy, therefore, was virtually untrodden when, shortly after the beginning of his telescopic work, Herschel began his first review of the heavens.
  2. Relating to a measurement of time relative to the position of the stars.

    • Then, from a sufficient number of observations of synodic periods to give their mean, we obtain the sidereal period, or period with reference to the stars.
  3. Relating to a measurement of time relative to the point of the vernal equinox.

The neighborhood

Vish — recursive loop

No curated loop yet for sidereal. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA