halogen

1 of 2

noun

hal·​o·​gen ˈha-lə-jən How to pronounce halogen (audio)
: any of the five elements fluorine, chlorine, bromine, iodine, and astatine that form part of group VIIA of the periodic table and exist in the free state normally as diatomic molecules
halogenous adjective

halogen

2 of 2

adjective

: containing, using, or being a halogen
a halogen lamp

Examples of halogen in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Noun
The halogen bulb is dimmable, too, for optimal ambiance and control. Audrey Lee, Architectural Digest, 1 Nov. 2024 The oven has a knob-free design with a single touchscreen user interface, with a top unit that functions as a microwave, convection, thermal, or halogen cooker, and a bottom that offers steaming options. Jessica Klein, TIME, 30 Oct. 2024
Adjective
While halogen filaments deliver 360-degree illumination, LED bulbs typically emit light with a pair of back-to-back 180-degree planes. Daniel Gray, Ars Technica, 16 Mar. 2020 On Home Depot’s website, the group found different prices quoted for paint, light bulbs, toilet paper, caulk guns, halogen floor lamps, screwdrivers and more. Levi Sumagaysay, The Mercury News, 25 June 2019 See all Example Sentences for halogen 

Word History

Etymology

Noun

Swedish, from hal- + -gen

First Known Use

Noun

1842, in the meaning defined above

Adjective

1880, in the meaning defined above

Time Traveler
The first known use of halogen was in 1842

Dictionary Entries Near halogen

Cite this Entry

“Halogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/halogen. Accessed 16 Nov. 2024.

Kids Definition

halogen

1 of 2 noun
hal·​o·​gen ˈhal-ə-jən How to pronounce halogen (audio)
: any of the elements fluorine, chlorine, bromine, iodine, and astatine

halogen

2 of 2 adjective
: containing, using, or being a halogen
a halogen lamp

Medical Definition

halogen

noun
halo·​gen ˈhal-ə-jən How to pronounce halogen (audio)
: any of the five elements fluorine, chlorine, bromine, iodine, and astatine that form part of group VII A of the periodic table and exist in the free state normally as diatomic molecules
halogenous adjective

More from Merriam-Webster on halogen

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