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dayside

dayside

7.4
On the side of a planet or moon that faces the sun and is in sunlight
  • adjective
  • /ˈdeɪˌsaɪd/
  • Specialized
translation icon : lado iluminado
  • The probe sent back images of the dayside surface covered in bright sunlight.

Examples

  • The dayside shines brightly.

  • The dayside of the moon is always bright.

  • Scientists observed the dayside atmosphere of the planet to study its weather patterns.

  • Temperatures on the dayside can be much higher than on the nightside.

  • The dayside of the planet receives sunlight, making it warmer than the nightside.

  • Astronauts studying the dayside of the moon will observe its illuminated surface features.

  • During the mission, the robot recorded data from the dayside of Mars, where conditions are brighter.

Synonyms

sunwise
vsdayside
7.4

Facing the sun to get light and warmth

relates to that illuminated side and stresses being in daylight
sunward
vsdayside
4.4

Facing the sun or the side that gets sunlight

describes the side facing the sun rather than directional movement

Antonyms

nightside
  • Specialized
1 8.2

The side of a planet or moon that is dark because the sun does not shine there

How Illuminated

dayside
  • Specialized
7.4
nightside
  • Specialized
1 8.2

Surface Forms

dayside positive

Morphology

dayside = day + side (transparent) = day + side

The meaning is directly compositional: 'day' + 'side' denotes the side of a body that is in daylight.

Etymology

Dayside comes from the simple parts day ('time with sunlight') and side ('part or face'). So, used as an adjective it means 'on the sunny side' of a planet or moon — the part that faces the sun.