(redirected from autocatalysts)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to autocatalysts: autocatalytic


n. pl. au·to·ca·tal·y·ses (-sēz′)
Catalysis of a chemical reaction by one of the products of the reaction.

au′to·cat′a·lyt′ic (-kăt′l-ĭt′ĭk) adj.
au′to·cat′a·lyt′i·cal·ly adv.


n, pl -ses (-ˌsiːz)
(Chemistry) the catalysis of a reaction in which the catalyst is one of the products of the reaction


(ˌɔ toʊ kəˈtæl ə sɪs)

n., pl. -ses (-ˌsiz)
catalysis caused by a catalytic agent formed during a chemical reaction.
au`to•cat`a•lyt′ic (-ˌkæt lˈɪt ɪk) adj.


The action as a catalyst by one of the products of a chemical reaction.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.autocatalysis - catalysis in which the catalyst is one of the products of the reaction
catalysis, contact action - acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction; "of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"
References in periodicals archive ?
Headwinds to platinum demand from autocatalysts used in diesel-fuelled cars should thus persist.
A recycling company will provide a link to market introduction by manufacturing autocatalysts with second-life PGMs obtained via the PLATIRUS technology.
Both metals are key components in autocatalysts which are used to reduce pollution on diesel-powered vehicles.
Umicore has its own manufacturing plant for autocatalysts using metals it produces or recovers.
The positive economic data that has undermined gold fuelled interest in the platinum group metals, which are chiefly used in autocatalysts and highly exposed to car demand.
Improving vehicle market in China is likely to provide some help for platinum group metals, used in producing exhaust-reducing autocatalysts.
The environmental technologies division has been driven by higher sales of autocatalysts - a cylinder fitted to vehicle exhausts to reduce the level of harmful gases released into the atmosphere.
Both platinum and palladium used in autocatalysts have come under pressure in recent months as markets tried to factor slower economic growth and demand.
Autocatalyst recycling contributes to a quarter to a third of all the ounces that are consumed to make new autocatalysts," Bouma says, "so it's a big part of the business, a huge part of recycling.
Palladium has risen by almost 80 percent so far this year, fuelled by demand from investors who are keen to tap into the metal's exposure to China, where it is used in the country's booming, gasoline-powered auto sector in autocatalysts.
Sales volumes of autocatalysts in April and May were more than 30% below the same period in 2008.