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solar day

Syllabification: so·lar day

Definition of solar day in English:

noun

The time between successive meridian transits of the sun at a particular place.
Example sentences
  • It is a planet with an unusual rotation rate, such that the solar day on Mercury lasts two Earth years.
  • Its eccentricity and inclination are greater than those of any other planet except Pluto, but its unique feature is that the year is actually shorter than the solar day!
  • Either timer will enable you to determine, with great accuracy, how long it takes for the Sun to revolve around the Earth: the solar day.

Definition of solar day in:

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Pronunciation: pərt
adjective
lively; cheerful