autocatalysis

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Related to autocatalysts: autocatalytic

autocatalysis

 [aw″to-kah-tal´ĭ-sis]
an increase in the rate of a chemical reaction in which a product of the reaction itself hastens or intensifies the rate.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

au·to·ca·tal·y·sis

(aw'tō-kă-tal'i-sis),
A reaction in which one or more of the products acts to catalyze the reaction; after beginning slowly, the rate of such a reaction rapidly increases. Compare: chain reaction.
Synonym(s): autoactivation
Farlex Partner Medical Dictionary © Farlex 2012

au·to·ca·tal·y·sis

(aw'tō-kă-tal'i-sis)
A reaction in which one or more of the products formed acts to catalyze the reaction; beginning slowly, the rate of such a reaction rapidly increases.
Compare: chain reaction
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The autocatalyst market, the largest segment, grew by over 10 per cent, mainly due to the fitment of emission controls to light and heavy duty diesel vehicles.
Autocatalysts, used to clean exhaust fumes, account for more than half of global platinum use.
While the group, which is a leading producer of autocatalysts for the automotive industry, warned that it would be hit in the second half by falling global car sales, process technologies, based at Billingham and Stockton, had benefited from tightening environmental legislation.
Platinum is used in autocatalysts to filter out carbon monoxide and particulates.
A heavier loading of platinum is used in the diesel autocatalysts most commonly seen in Europe, while the petrol engines favoured in the United States and China carry a heavier loading of palladium.
Speciality chemicals company Johnson Matthey ( a leading manufacturer of autocatalysts and pollution control systems ( should post an improvement in annual profits on Thursday, despite the impact of a weak dollar.
Speciality chemicals company Johnson Matthey - a leading manufacturer of autocatalysts and pollution control systems - should post an improvement in annual profits on Thursday, despite the impact of a weak dollar.
Platinum maintained its historically unusual discount to gold, which briefly reversed earlier this month, as buyers worried about demand for the white metal, which is chiefly used in autocatalysts.