Advertisement

Advertisement

View synonyms for sidereal day

sidereal day

noun

, Astronomy.
  1. the interval between two successive passages of the vernal equinox over the meridian, being about four minutes shorter than a mean solar day.

sidereal day

noun

  1. See day
    See day

Discover More

Word History and Origins

Origin of sidereal day1

First recorded in 1785–95

Discover More

Example Sentences

This 5th day is the sidereal day of the astronomers and is the basis of our time, so it is entitled to a little attention.

Advertisement

Word of the Day

inveterate

[in-vet-er-it ]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement

Browse

  • #
  • aa
  • bb
  • cc
  • dd
  • ee
  • ff
  • gg
  • hh
  • ii
  • jj
  • kk
  • ll
  • mm
  • nn
  • oo
  • pp
  • qq
  • rr
  • ss
  • tt
  • uu
  • vv
  • ww
  • xx
  • yy
  • zz