halon

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Related to halon: Halon gas

ha·lon

(hā′lŏn)

Any of several halocarbons used as fire-extinguishing agents.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

halon

(ˈhælɒn)

(Chemistry) any of a class of chemical compounds derived from hydrocarbons by replacing one or more hydrogen atoms by bromine atoms and other hydrogen atoms by other halogen atoms (chlorine, fluorine, or iodine). Halons are stable compounds that are used in fire extinguishers, although they may contribute to depletion of the ozone layer

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Noun

halon - a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer

organic compound - any compound of carbon and another element or a radical

pollutant - waste matter that contaminates the water or air or soil

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References in periodicals archive ?

Patryk Halon, 19, was fined [pounds sterling]200 after he admitted to abandoning the child - who cannot be named for legal reasons - last summer, in Peterhead, Aberdeenshire.

Little boy found wandering streets after babysitter abandoned him for the pub; Patryk Halon, 19, left the boy in an unlocked home last summer in Peterhead, Aberdeenshire

The all-new Halon delivers the bone-crushing energy and hair-splitting accuracy bowhunters expect from Mathews.

Splits hair & crushes bone

Halon and its newer alternatives are effective aircraft fire extinguishing agents.

Fire extinguishers: Halon, not dry chem

Internet security technology provider Commtouch (Nasdaq:CTCH) announced on Monday that its customer Halon Security AB had zero false positives and a high spam catch rate of 99.71% in Virus Bulletin's VBSpam comparative review for March 2011.

Halon Security ranks high in VBSpam comparative review with Commtouch's anti-spam

There are two basic portable fire extinguisher types on the market these days: Halon and dry chemical.

Fighting fires: an in-flight fire is something to which you must respond quickly and decisively. Have and deploy a Halon-based extinguisher, then get on the ground

At one time, carbon dioxide and Halon were the common types of gaseous agents specified to protect special hazards from fire.

Understanding gaseous fire-extinguishing agents: gaseous fire-extinguishing agents are often used to effectively extinguish fires in special hazards that cannot be adequately protected by fire-sprinkler systems

At long last there's a replacement available for the Halon 1301 hand-held fire extinguishers (HHFE), NSN 6830-00-555-8837, in your M1-series tanks.

Put out fires with new extinguisher

Without doubt, Halon Security is the fastest, most secure and most functional firewall of its class.

HALON SECURITY FASTEST AND MOST SECURE FIREWALL OF ITS CLASS

Most developed nations already have plans for halon recycling and banking systems--registries of who has excess halon to sell.

Cloud banks: airlines save halon

On March 3, the European Commission decided to grant an exemption authorising the "critical use" of halon 2402 in accession countries, so as to give them the necessary time to develop substitute products and/or methods (Decision C(2004)639).

EXEMPTION AUTHORISING THE USE OF HALON GAS IN ACCESSION COUNTRIES

Halon 1301 is the predominant fire suppressant used to extinguish aircraft engine-nacelle fires.

Fire suppressant dispersion in a cold aircraft engine nacelle. (News Briefs)

The Montreal Protocol states that such countries will have to freeze halon consumption by January 2002, reducing consumption by 50 percent by January 2005, and totally phasing out halon use by January 2010.