Ardois system

proper noun

A system used by the US Navy in the late 19th century to enable ship-to-ship communications at night. Each installation used a series of eight double lamps (four red and four white) hung from a mast and used to transmit visual codes.

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Meanings

proper nounthe Ardois system
  1. historicalA system used by the US Navy in the late 19th century to enable ship-to-ship communications at night. Each installation used a series of eight double lamps (four red and four white) hung from a mast and used to transmit visual codes.
Cite this entry
APA

Ardois system. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Ardois%20system

MLA

“Ardois system.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Ardois%20system. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Ardois system,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Ardois%20system.

Source: Ardois system on Wiktionary, CC BY-SA 4.0.