1
a
: any of various devices for producing light or sometimes heat: such as
(1)
: a vessel with a wick for burning an inflammable liquid (such as oil) to produce light
(2)
: a glass bulb or tube that emits light produced by electricity (such as an incandescent light bulb or fluorescent lamp)
b
: a decorative appliance housing a lamp that is usually covered by a shade
2
: a celestial body
3
: a source of intellectual or spiritual illumination
4
: eye sense 1a
—usually used in plural
Examples of lamp in a Sentence
I didn't realize it had gotten so dark in the room until my wife came in and turned on the lamp, momentarily blinding me.
Recent Examples on the Web
Plenty of brands already offer or are transitioning to TPO-free formulas that contain different photoinitiators (a chemical that makes gel polishes cure under a lamp instead of air-drying like regular polish) such as TPO-L, BAPO, or other resin initiators.
—
Hannah Nwoko, Parents, 5 Sep. 2025
Speaking of headlights, the Concept C gets narrow ones with four elements that switch in place between daytime running lamps and proper projector beams for use after dark.
—Abhimanyu Ghoshal, New Atlas, 3 Sep. 2025
While regular nail polish air dries, gel polish must be cured under a special ultraviolet (UV) or LED lamp for up to 90 seconds.
—Tom Gavin, EverydayHealth.com, 3 Sep. 2025
The report suggests there could also be other operating issues with the vehicle's DC/AC inverter, glove box light, vanity lights, dome lamps, alarm portion of the horn, rear defrost, or the USB charger.
—James Powel, USA Today, 2 Sep. 2025
See All Example Sentences for lamp
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Hannah Nwoko, Parents, 5 Sep. 2025
Speaking of headlights, the Concept C gets narrow ones with four elements that switch in place between daytime running lamps and proper projector beams for use after dark.
—Abhimanyu Ghoshal, New Atlas, 3 Sep. 2025
While regular nail polish air dries, gel polish must be cured under a special ultraviolet (UV) or LED lamp for up to 90 seconds.
—Tom Gavin, EverydayHealth.com, 3 Sep. 2025
The report suggests there could also be other operating issues with the vehicle's DC/AC inverter, glove box light, vanity lights, dome lamps, alarm portion of the horn, rear defrost, or the USB charger.
—James Powel, USA Today, 2 Sep. 2025
See All Example Sentences for lamp
Cite this Entry
“Lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lamp. Accessed 9 Sep. 2025.
Copy CitationKids Definition
lamp
noun
: a device for producing light or heat
Medical Definition
lamp
noun
: any of various devices for producing light or heat see kromayer lamp, slit lamp
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