sidereal time

noun

Definition of sidereal time

  1. 1 :  time based on the sidereal day

  2. 2 :  the hour angle of the vernal equinox at a place

1765

First Known Use of sidereal time

1765


Learn More about sidereal time


Seen and Heard

What made you want to look up sidereal time? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

capable of being understood in two ways

Get Word of the Day daily email!