blue light
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blue light
noun blue lights
-
A mixture of chemicals (including nitre, sulfur and antimony) used in the eighteenth and nineteenth centuries for night-time signaling and general illumination.
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.
Similar: Bengal fire, Bengal light
- A New England federalist, who opposed the Anglo-American War of 1812; (loosely), a federalist. 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.”
-
A flashing light, usually fitted to an emergency vehicle.
Blue-light escorts were provided where possible to get engineers to the stranded GTR trains to reset the software.
Similar: cherry light, lightbar
- Used other than figuratively or idiomatically: see blue, light.
verb blue lights · blue lighting · blue lighted · blue lit
- To travel quickly in a police or ambulance vehicle with the lightbar (and possibly the siren) activated. 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.
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noun flashing light on emergency vehicle
| Deutsch | Blaulicht |
|---|---|
| العربية | ضَوْء أَزْرَق ḍawʔ ʔazraq |
Talk about this word "blue light." Wiktionary, via Micwyn, micwyn.com/word/blue%20light. Accessed 7 Nov. 2026. blue light. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/blue%20light "blue light." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/blue%20light.Cite this
@misc{blue_light_2026,
title = {blue light},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/blue%20light},
urldate = {2026-11-07}
}
