equation of time

Definition of equation of time

  1. :  the difference between apparent time and mean time usually expressed as a correction which is to be added to apparent time to give local mean time

1667

First Known Use of equation of time

1667


Seen and Heard

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

WORD OF THE DAY

contemplative of or relative to the past

Get Word of the Day daily email!