halogen

noun
hal·​o·​gen | \ ˈha-lə-jən How to pronounce halogen (audio) \

Definition of halogen

 (Entry 1 of 2)

: 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

halogen

adjective

Definition of halogen (Entry 2 of 2)

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

Other Words from halogen

Noun

halogenous \ ha-​ˈlä-​jə-​nəs How to pronounce halogen (audio) \ adjective

Examples of halogen in a Sentence

Recent Examples on the Web: Noun Cost is a critical factor in replacing conventional halogen and LED lighting in vehicles and transportation infrastructure. Sabbir Rangwala, Forbes, 10 June 2022 No halogen, no fluorescence, and no colored light, unless used sparingly and very, very chicly. Tom Rasmussen, Vogue, 18 May 2022 Hybrid trims received an Acceptable headlight rating, likely because its high-beam uses halogen reflectors rather than the LED reflectors that are standard on all other trims. Austin Irwin, Car and Driver, 11 May 2022 However, since the base halogen headlights that come on lower trims are still classified as Poor, the Top Safety Pick+ award was out of reach for Ford’s bestseller. Caleb Miller, Car and Driver, 12 Oct. 2021 Learn from my mistake, save your money, and buy the proven solution: a quality halogen bulb is the only thing that belongs in a reflector housing. Wes Siler, Outside Online, 14 Jan. 2022 Under the glow of a halogen dangling upon a fence stood the seven runners, about to amble off into the dark and return again. Devin Kelly, Longreads, 19 Jan. 2022 And, as identified by the Insurance Institute for Highway Safety, the halogen headlamps on lower-spec Rangers are marginal for effective illumination. Wes Siler, Outside Online, 14 Jan. 2022 The presence of the basic halogen lights on lower trim models, which received a Poor rating, prevented the F-150 from elevating to the highest Top Safety Pick+ award. Caleb Miller, Car and Driver, 12 Oct. 2021 Recent Examples on the Web: 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 Test Results: Maximum Cubby Storage Exterior Measurement Comparisons Every 124 Spider comes standard with a manual softtop that’s effortless to fold down, plus halogen headlights and LED taillights. Car and Driver, 2 Nov. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'halogen.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of halogen

Noun

1842, in the meaning defined above

Adjective

1880, in the meaning defined above

History and Etymology for halogen

Noun

Swedish, from hal- + -gen

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Time Traveler for halogen

Time Traveler

The first known use of halogen was in 1842

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Dictionary Entries Near halogen

haloform

halogen

halogenate

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Statistics for halogen

Last Updated

26 Jun 2022

Cite this Entry

“Halogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/halogen. Accessed 8 Aug. 2022.

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More Definitions for halogen

halogen

noun
halo·​gen | \ ˈhal-ə-jən How to pronounce halogen (audio) \

Medical Definition of halogen

: 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

Other Words from halogen

halogenous \ ha-​ˈläj-​ə-​nəs How to pronounce halogen (audio) \ adjective

More from Merriam-Webster on halogen

Britannica.com: Encyclopedia article about halogen

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