Definition of dayside
: the side of a planet in sunlight
People Are Reading
Recent Examples of dayside from the Web
-
Forty-four minutes before closest approach, the radiometers began to scan Venus’s dayside.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dayside'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1827
First Known Use of dayside
1827
Learn More about dayside
Seen and Heard
What made you want to look up dayside? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!