solstice
Americannoun
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Astronomy.
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either of the two times a year when the sun is at its greatest distance from the celestial equator: about June 21, when the sun reaches its northernmost point on the celestial sphere, or about December 22, when it reaches its southernmost point.
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either of the two points in the ecliptic farthest from the equator.
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a furthest or culminating point; a turning point.
noun
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either the shortest day of the year ( winter solstice ) or the longest day of the year ( summer solstice )
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either of the two points on the ecliptic at which the sun is overhead at the tropic of Cancer or Capricorn at the summer and winter solstices
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Either of the two points on the celestial sphere where the ecliptic (the apparent path of the Sun) reaches its greatest distance north or south of the celestial equator.
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◆ The northernmost point of the Sun's path, called the summer solstice, lies on the Tropic of Cancer at 23°27′ north latitude.
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◆ The southernmost point of the Sun's path, called the winter solstice, lies on the Tropic of Capricorn at 23°27′ south latitude.
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Either of the two corresponding moments of the year when the Sun is directly above either the Tropic of Cancer or the Tropic of Capricorn. The summer solstice occurs on June 20 or 21 and the winter solstice on December 21 or 22, marking the beginning of summer and winter in the Northern Hemisphere (and the reverse in the Southern Hemisphere). The days on which a solstice falls have the greatest difference of the year between the hours of daylight and darkness, with the most daylight hours at the beginning of summer and the most darkness at the beginning of winter.
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Compare equinox
Usage
What does solstice mean? A solstice is one of the two times of the year when the positioning and tilt of Earth relative to the sun results in the most amount of daylight time or the least amount of daylight time in a single day.There are two solstices during the year: one that occurs around June 20–22 (usually June 20 or 21) and one that occurs around December 20–23 (usually December 21 or 22).The solstices are traditionally considered to mark the start of summer and winter. But which season begins with each solstice depends on which hemisphere you’re in. In the Northern Hemisphere, the summer solstice occurs in June and the winter solstice occurs in December. In the Southern Hemisphere, it’s the opposite.The summer solstice results in the longest day of the year, meaning it has the most time of daylight, and the winter solstice results in the shortest day of the year, meaning it has the longest period of darkness.In contrast, an equinox is one of the two times of the year when the amount of daylight and nighttime hours are just about of equal length. The two equinoxes occur around March 20–21 and September 22–23. In the Northern Hemisphere, the vernal equinox (or spring equinox) occurs in March and the autumnal equinox occurs in September. In the Southern Hemisphere, it’s the opposite.Example: Many ancient cultures recognized and observed the solstices as times that marked the change of the seasons.
Other Word Forms
- solstitial adjective
Etymology
Origin of solstice
1200–50; < Middle English < Old French < Latin sōlstitium, equivalent to sōl sun + -stit-, combining form of stat-, variant stem of sistere to make stand ( stand ) + -ium -ium; -ice )
Compare meaning
How does solstice compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Astronomical winter starts on the 21 December, known as the winter solstice and is the shortest day of the year.
From BBC
The court was told the trio targeted Stonehenge the day before last year's summer solstice where around 15,000 people were due to gather and celebrate.
From BBC
For a provocateur like Aster, who has made a name for himself decapitating teenagers and giving audiences a front row seat to ritual solstice suicides, peak COVID-era chaos almost seems like low-hanging fruit.
From Salon
This is the southern winter solstice, the shortest day in their location, more than 1,000 miles south of the southern tip of South America.
From BBC
“Student killed on solstice may have been sacrificed,” read the Daily News.
From Los Angeles Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.