as in lamp
something that provides illumination
at the time, a spermaceti candle was the brightest indoor illuminant available
Synonyms & Similar Words
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
That’s exactly how Carmona scored a black marble table lamp with a fluted shade.—
Kendall Bettle,
Better Homes & Gardens,
22 July 2025
-
Families can save on dorm-room needs such as desk storage, lamps and laundry bags.—
Staff,
FOXNews.com,
17 July 2025
Noun
-
In light of the creativity necessary amid Miami’s ongoing pursuit of Argentina midfielder Rodrigo De Paul, Garber stressed that from the owners’ perspective, these limits aren’t designed to stifle competition.—
Jeff Rueter,
New York Times,
24 July 2025
-
In light of a new deal not coming back, McLaurin remains away from the Commanders.—
Kevin McCormick,
MSNBC Newsweek,
24 July 2025
Noun
-
Smith, a Suffield resident, claims the court administration has for years ignored state statutes requiring that outdoor lighting located at state facilities to be designed to minimize light pollution, and for nonessential outdoor lighting be turned off from 11 p.m. until 6 a.m. daily.—
Sean Krofssik,
Hartford Courant,
22 July 2025
-
The Occupational Safety and Health Administration, part of the Labor Department, wants to rescind a requirement for employers to provide adequate lighting at construction sites, saying the regulation doesn’t substantially reduce a significant risk.—
Cathy Bussewitz,
Chicago Tribune,
22 July 2025
Noun
-
Stage the candles together on a mantel or entry table, or scatter them throughout your living space to create a colorful yet cohesive soft lighting effect.—
Sophia Beams,
Better Homes & Gardens,
25 July 2025
-
The cake, with more than eighty candles on it, is the table’s centrepiece.—
Literary Hub,
Literary Hub,
25 July 2025
Cite this Entry
“Illuminant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illuminant. Accessed 6 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share