as in lamp
something that provides illumination
at the time, a spermaceti candle was the brightest indoor illuminant available
Synonyms & Similar Words
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Example Sentences
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Recent Examples of illuminant
Related Stories For the Judge LED, users can choose seven light sources from a selection of different temperatures that fit industry standards, including a directional daylight output with the standard illuminant D65.
—
Sarah Jones, Sourcing Journal, 16 Jan. 2025
Distilling rock oil produced multiple interesting compounds, one of which looked like an ideal illuminant.
—Charles R. Morris, WSJ, 21 June 2018
Sarah Jones, Sourcing Journal, 16 Jan. 2025
Distilling rock oil produced multiple interesting compounds, one of which looked like an ideal illuminant.
—Charles R. Morris, WSJ, 21 June 2018
Recent Examples of Synonyms for illuminant
Noun
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Or for a more structured look, try a couple of portable LED table lamps, like the Zafferano Poldina Pro Lamp ($175 from Amazon) or the Setago Rechargeable Lamp ($225 from Hawkins New York).—
The Washington Post,
San Diego Union-Tribune,
31 May 2025
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Lamplighters didn’t have their health benefits tied to their ability to go light lamps.—
John Werner,
Forbes.com,
31 May 2025
Noun
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The trooper saw a Mercedes-Benz E300 traveling at excessive speed on I-91 south near Cromwell and tried to initiate a traffic stop with lights and sirens.—
Madison Lambert,
NBC news,
6 June 2025
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The graphic aesthetic seems particularly noticeable in effects such as explosions or fires, and in the way shadow and light interact with the characters.—
Carlos Aguilar,
Variety,
6 June 2025
Noun
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Remember, a tent offers no protection from lighting.—
CA Weather Bot,
Sacbee.com,
4 June 2025
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This is done by using real-time data and user preferences to coordinate individual AI agents like the smart thermostat, the lighting or even appliances.—
Pradeep Kumar Muthukamatchi,
Forbes.com,
4 June 2025
Noun
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Magnolia Citrus Grove Candle Gaines and her team dreamed up this candle that smells like a walk through a citrus grove with notes of tahini lime, bergamot, and clementine for a fresh, clean scent.—
Maggie Horton,
People.com,
7 June 2025
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Pictures, flowers and candles mark a makeshift memorial on June 3 in Wenatchee, Washington, in honor of Olivia, Paityn and Evelyn Decker, who were found dead near Leavenworth after their father Travis Decker failed to return them after a scheduled visitation.—
Adeola Adeosun,
MSNBC Newsweek,
7 June 2025
Cite this Entry
“Illuminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illuminant. Accessed 13 Jun. 2025.
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