[
US
/ˈkætəɫəst, ˈkætəɫɪst/
]
[ UK /kˈætɐlˌɪst/ ]
[ UK /kˈætɐlˌɪst/ ]
NOUN
-
something that causes an important event to happen
the invasion acted as a catalyst to unite the country - (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
How To Use catalyst In A Sentence
- The Cummins 6. 7-liter Turbo Diesel engine uses a diesel particulate filter (DPF) to virtually eliminate particulate matter emissions and an adsorber catalyst to reduce oxides of nitrogen (NOx) by as much as 90 percent, in order to meet stringent 2010.5 diesel emissions requirements. Autoblog
- The 2009 Dodge Ram Heavy Duty's 6. 7-liter turbodiesel engine uses a diesel particulate filter (DPF) to virtually eliminate particulate matter emissions and an adsorber catalyst to reduce oxides of nitrogen (NOx) by as much as 90 percent, making Dodge the only manufacturer to meet stringent 2010 emissions standards - today. Autoblog
- In addition to the NOx adsorber and the DPF, the 6. 7-liter turbodiesel engine includes a cooled exhaust gas recirculation (EGR) system and high-flow, electronically controlled Variable Geometry Turbocharger (VGT ™); an oxidation catalyst within the exhaust system; and a new closed crankcase ventilation system that eliminates crankcase fumes and oil carryover. Autoblog
- Poirot himself remains unchanged, although his interference is a catalyst for the woman's change. Archive 2008-10-01
- Platinum is used in catalysts for car exhausts. Times, Sunday Times
- Using encapsulated liquid tricyclic, like diolefin, and some kind of catalyst for quick hardening. Archive 2009-03-01
- The wolf market may be here to stay, at least until the economic recovery accelerates or another catalyst prompts the market to find footing.
- The election might be a catalyst for change of the sort that the junta had not foreseen. Times, Sunday Times
- The acid protonates the amidine groups and renders the catalyst water-soluble. Chemical & Engineering News: Latest News
- In the development of better asymmetric hydrogenation catalysts it is important to increase the energy difference between the transition complexes in order to obtain, as a consequence, larger enantiomeric excess. The Nobel Prize in Chemistry 2001 - Information for the Public