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1. A highly flammable substance used to start a fire intentionally.
2. Chemistry A substance that speeds up a chemical reaction, especially by catalysis.


(Chemistry) chem another name for accelerator3
[C20: from Latin from accelerāns, present participle of accelerāre to go faster]


(ækˈsɛl ər ənt)

1. something that speeds up a process.
3. a substance that intensifies a fire or accelerates its spread.
[1915–20; < Latin]
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References in periodicals archive ?
Barbara Rouse, from the friends of Derby Park, appealed to parents whose children might have come home smelling of smoke or accelerants.
These "arson dogs" are trained to sniff out minute traces of accelerants like gasoline and lighter fluid that may have been used to start a fire.
Committee chairman Linda Groom claims the dancers have made the hall's floor too slippery by using accelerants to help dancers glide across the floor.
He is ''imprinted'' on 17 of the most common accelerants used in arsons -- among them gas, diesel, kerosene, lighter fluid, Coleman fuel, mineral spirits, acetone, and lacquer thinner.
West Midlands Ambulance Service (WMAS) also dealt with people seriously burnt after petrol or other accelerants were used on bonfires and other injuries caused by people falling into bonfires.
Duncan is a former fireman who is now the handler for Billy, an incredibly talented springer spaniel who can sniff out accelerants.
A Kirklees police spokesman said: "The front passenger window of the car was smashed and accelerants poured inside before the vehicle was set on fire.
Judge can detect more than 60 different fire accelerants in minutes and "has helped fire marshals numerous times uncover items they wouldn't have found by any other means," Laubach said.
It needs to accelerate the speed of performance on an ongoing basis, much like the many accelerants used in various chemical processes.
We urge people to be aware of the dangers of using accelerants such as petrol.
The 58-page book covers real-time analysis of pharmaceuticals, drugs in dose form or in bodily fluids, synthetic organic or organometallic compounds, inks on paper, explosives and arson accelerants, chemical weapons agents, foods and more.
He has been trained to sniff out the cause of suspicious blazes and can detect up to 10 different accelerants such as petrol, diesel and white spirit, which may have been used to start a fire.