Daysides

Part of speech: noun

Definitions

1. The brighter or illuminated side of a celestial body, especially when referring to a planet or moon
2. the section of an atmosphere receiving sunlight while the opposite side remains dark
3. the experience of daylight on a geographical area as opposed to night, highlighting aspects of light and visibility

Etymology: "Daysides" is the plural of "dayside," a compound of "day" and "side." The sense is literal: the half of a planet or moon, or the atmosphere surrounding it, that faces the sun and so experiences daylight while the opposite half sits in darkness. The plural simply refers to the sunlit hemispheres of several bodies, or to the sunlit halves of a single body considered over time or in comparison.

Synonyms: daylight sides, sunlit sides

Antonyms: nightsides, shaded sides