halogen

noun
hal·o·gen | \ˈha-lə-jən \

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

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Other Words from halogen

Noun

halogenous \ha-ˈlä-jə-nəs \ adjective

Examples of halogen in a Sentence

Recent Examples on the Web: Noun

Our car also came with 18-inch alloy wheels, automatic projector-beam halogen headlights. G. Chambers Williams Iii, star-telegram, "C-HR brings small crossover entry to Toyota lineup, starting at $22,500 | Fort Worth Star-Telegram," 28 Apr. 2018 There are three main types of driving lights: halogen, LED (light-emitting diode) and HID (high-intensity discharge). Timothy Dahl, Popular Mechanics, "How to Install Your Own Driving Lights," 10 May 2017 The Maxima also came with speed-sensitive hydro-electric power steering, heated outside mirrors with turn signals, front and rear parking sensors, front halogen fog lights, LED daytime running lights and LED low-beam headlights. G. Chambers Williams Iii, Houston Chronicle, "Nissan Maxima: 'Four-door sports car' gets some upgrades for 2018," 9 Feb. 2018 Many are leaving out plasticizers, phthalates, formaldehyde, chlorine, halogen and heavy metals. Clare Miers, star-telegram, "Wallpaper is back! Here, local design experts talk the trends and share their picks | Fort Worth Star-Telegram," 15 Mar. 2018 The Maxima also came with speed-sensitive hydro-electric power steering, heated outside mirrors with turn signals, front and rear parking sensors, front halogen fog lights, LED daytime running lights and LED low-beam headlights. G. Chambers Williams Iii, Houston Chronicle, "Nissan Maxima: 'Four-door sports car' gets some upgrades for 2018," 9 Feb. 2018 Most cars and a lot of trucks today are manufactured with headlamp assemblies that use quartz-halogen bulbs plugged into the back of a large plastic reflector. Michael Austin, Popular Mechanics, "How to Make Your Headlights Shine Like New," 1 Dec. 2017 The Maxima also came with speed-sensitive hydro-electric power steering, heated outside mirrors with turn signals, front and rear parking sensors, front halogen fog lights, LED daytime running lights and LED low-beam headlights. G. Chambers Williams Iii, Houston Chronicle, "Nissan Maxima: 'Four-door sports car' gets some upgrades for 2018," 9 Feb. 2018 Reggaeton plays through a set of speakers, drowning out the hum of the generator that powers them and the halogen lights near the grill. James Lynch, Popular Mechanics, "After the Storm," 9 Feb. 2018

Recent Examples on the Web: Adjective

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, "2018 Fiat 124 Spider," 2 Nov. 2017

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.

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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

The first known use of halogen was in 1842

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More Definitions for halogen

halogen

noun
halo·gen | \ˈhal-ə-jən \

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 \ adjective

More from Merriam-Webster on halogen

Britannica.com: Encyclopedia article about halogen

Comments on halogen

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