Definition of dayside
: the side of a planet in sunlight
Recent Examples of dayside from the Web
Its dayside would look orangeish, so hot that complex molecules can't stay together and only 2,000 degrees cooler than our sun.
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.
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