marine chronometer

noun

A timepiece used as a portable time standard at sea so as to enable the determining of longitude by means of celestial navigation.

Meanings

nounmarine chronometer (plural marine chronometers)

plural marine chronometers

  1. A timepiece used as a portable time standard at sea so as to enable the determining of longitude by means of celestial navigation.

    Synonyms: longitude clock

Synonyms & antonyms

nounA timepiece used as a portable time standard at sea so as to enable the determining of longitude by means of celestial navigation.

Cite this entry
APA

marine chronometer. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/marine%20chronometer

MLA

“marine chronometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/marine%20chronometer. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “marine chronometer,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/marine%20chronometer.

Source: marine chronometer on Wiktionary, CC BY-SA 4.0.