Blue Light - Wiktionary

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• 1 English Toggle English subsection
  • 1.1 Noun
    • 1.1.1 Usage notes
    • 1.1.2 Synonyms
    • 1.1.3 Hypernyms
    • 1.1.4 Derived terms
    • 1.1.5 Translations
    • 1.1.6 References
  • 1.2 Verb
    • 1.2.1 Hypernyms
    • 1.2.2 References
  • 1.3 Anagrams

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• Discussion

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English

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Noun

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blue light (countable and uncountable, plural blue lights)

1. (historical, chiefly nautical) A mixture of chemicals (including nitre, sulfur and antimony) used in the eighteenth and nineteenth centuries for night-time signaling and general illumination. [from 18th c.]
   • 1828, Samuel Frederick Gray, The Operative Chemist, page 499:Blue lights, or blue fire, is a preparation in which zinc and sulphur, or sulphur alone, are used. The particular colour is communicated by the zinc and sulphur.
   • 1874, Marcus Clarke, For the Term of his Natural Life, Penguin, published 2009, page 57:The blue-light, which, at its first flashing over the ocean, had made the very stars pale their lustre, and lighted up with ghastly radiance the enormous vault of heaven, was now only a point […].
   • 2015, Mark K. Ragan, quoting Robert Fleming, Proceedings of a Naval Court of Inquiry into the Sinking of the Housatonic, 1864, quoted in Confederate Saboteurs, Texas A&M University Press, →ISBN, page 98:When the 'Canandaigua' got astern, and was lying athwart, of the 'Housatonic,' about four ship lengths off, while I was in the fore rigging, I saw a blue light on the water just ahead of the 'Canandaigua,' and on the starboard quarter of the 'Housatonic.'
2. (US, colloquial, now historical) A New England federalist, who opposed the Anglo-American War of 1812; (loosely), a federalist. [from 19th c.]
   • 1862, John Williamson Palmer, Stonewall Jackson's Way:The “Blue-Light Elder” knows ’em well; / Says he, “That’s Banks — he’s fond of shell; / Lord save his soul! We’ll give him” — well, / that’s “Stonewall Jackson’s Way.”
3. (countable) A flashing light, usually fitted to an emergency vehicle. [from 20th c.]
   • 2019 October, Roger Ford, “Power failure highlights specification confusion”, in Modern Railways, page 26:Blue-light escorts were provided where possible to get engineers to the stranded GTR trains to reset the software.
4. Used other than figuratively or idiomatically: see blue,‎ light.

Usage notes

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• The original chemical mixtures burned with a blue flame. Later versions omitted any coloring agents, producing a bright white light, but retained the name by convention.

Synonyms

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• (chemicals): Bengal fire, Bengal light
• (flashing lights): cherry light, lightbar

Hypernyms

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• light

Derived terms

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• blue light bandit

Translations

[edit] flashing light on emergency vehicle

Arabic: ضَوْء أَزْرَق (ḍawʔ ʔazraq) Finnish: hälytysvalo German: Blaulicht (de) Hungarian: kék fény sg Norwegian: Bokmål: blålys n Nynorsk: blålys n, blåljos n

References

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• Blue light (pyrotechnic signal) on Wikipedia.Wikipedia
• Emergency vehicle lighting on Wikipedia.Wikipedia

Verb

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blue light (third-person singular simple present blue lights, present participle blue lighting, simple past and past participle blue lighted or blue lit)

1. (informal, intransitive) To travel quickly in a police or ambulance vehicle with the lightbar (and possibly the siren) activated.
   • 2011, John Donoghue, Police, Crime & 999, Troubador Publishing, →ISBN:When we weren't blue lighting, we had to obey the 30 mph limit, but out of town we had a training exemption from any speed regulations and were encouraged to push the car to its limits... and we did.
   • 2012, Jon Mukand, The Man with the Bionic Brain, Chicago Review Press, →ISBN:They jumped into his cruiser and blue-lighted it to Boston Medical Center at eighty miles per hour.
   • 2014, James Rennie, The Operators, Pen and Sword, →ISBN:Roger that. Feds and green army are blue lighting to you.

Hypernyms

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• See Thesaurus:move quickly

References

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• “blue light”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.

Anagrams

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• light blue

Retrieved from "https://en.wiktionary.org/w/index.php?title=blue_light&oldid=87423740" Categories:

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