solstice

/'sɔlstis/

Thân thiện

The summer solstice is the longest day of the year.

Definition

Noun: 1. An astronomical event: A solstice is one of the two moments in the year when the Sun reaches its highest or lowest point in the sky at noon, resulting in the longest or shortest day. This occurs because the Sun's path is at its greatest distance from the celestial equator. 2. A point in time: It specifically refers to the time of year when this astronomical event happens, marking a seasonal turning point.

Usage and Examples

• General Usage: The term is used to describe the two annual events related to the Sun's apparent position.
  • The summer solstice is a day of celebration in many cultures.
  • Ancient monuments like Stonehenge are aligned with the solstices.
• With Modifiers: It is almost always used with the modifiers "summer" or "winter" to specify which event is being discussed.
  • The December solstice brings the shortest day in the Northern Hemisphere.
  • We will have a party on the day of the summer solstice.

Advanced Usage

• In Scientific/Technical Contexts: Used precisely to denote the instant when the Sun is directly over the Tropic of Cancer or Capricorn.
  • The exact moment of the solstice occurs at 10:42 UTC.
• Figurative Use: Sometimes used metaphorically to describe a peak, climax, or turning point.
  • The artist's career reached its solstice with that groundbreaking exhibition.

Variants and Related Words

• Solstitial (adjective): Of or relating to a solstice.
  • The solstitial point marks the Sun's furthest declination.

Different Meanings

The word "solstice" has only one core astronomical meaning. Its other uses are derivative or figurative extensions of this primary definition.

Synonyms

• Turning point (in its figurative sense).
• Mid-summer / Mid-winter (referring loosely to the time around the solstice, but not the precise astronomical event).

Idioms and Phrases

• Summer solstice: The solstice occurring around June 21 in the Northern Hemisphere, marking the longest day.
• Winter solstice: The solstice occurring around December 21 in the Northern Hemisphere, marking the shortest day.
• Solstice celebration: A festival or observance held at the time of a solstice.

Học thuật

Noun

1. either of the two times of the year when the sun is at its greatest distance from the celestial equator