gnomonics是什么意思，gnomonics的意思翻译、用法、同义词、例句

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Definition

Gnomonics refers to the art and science of dialing, or the making of dials for telling time by means of the shadow cast by the gnomon, the raised piece of a sundial that casts the shadow.

Pronunciation

/gnoʊˈmɑːnɪks/

Part of Speech

Noun

Example Sentences

• The ancient Greeks were experts in gnomonics, and they used sundials to measure the passage of time.(古希腊人是测时学方面的专家，他们使用日晷测量时间的流逝。)
• Gnomonics is a fascinating subject that combines physics, mathematics, and astronomy.(测时学是一门令人着迷的学科，它结合了物理、数学和天文学。)

Usage

Gnomonics is mainly used in the field of astronomy and horology. It involves the calculation of the position of the sun in the sky, and the design and construction of dials that accurately reflect this position. In addition to measuring time, gnomonics is also used to determine the solstices and equinoxes, as well as the latitude and longitude of a location.

Explanation

The word "gnomonics" comes from the Greek word "gnomon," which means "indicator" or "pointer." In ancient times, the gnomon was a vertical rod that was used to cast a shadow onto a flat surface. By measuring the length and direction of the shadow, people could determine the time of day. Over time, the gnomon evolved into the raised piece on a sundial that is used to cast the shadow.

Synonyms

• Dialing
• Sundial design
• Diallist

Antonyms

• Digital timekeeping
• Clockmaking
• Chronometry

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