catalyst

cat·a·lyst (k

st)

1. Chemistry A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.

2. One that precipitates a process or event, especially without being involved in or changed by the consequences: "A free press ... has remained ... a vital catalyst to an informed and responsible electorate" (Robert O'Neal).

[From catalysis.]

catalyst [ˈkætəlɪst]

1. (Chemistry) a substance that increases the rate of a chemical reaction without itself suffering any permanent chemical change Compare inhibitor [2]

2. a person or thing that causes a change

catalyst (k

st)

A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. The enzymes in saliva, for example, are catalysts in digestion.

catalytic adjective (k

ThesaurusLegend: Synonyms Related Words Antonyms

Noun	1.	catalyst - (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected accelerator chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions activator - (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription biocatalyst - a biochemical catalyst such as an enzyme enzyme - any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions platinum black - a fine black powder of platinum; used as a catalyst in chemical reactions anticatalyst - (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst
	2.	catalyst - something that causes an important event to happen; "the invasion acted as a catalyst to unite the country" causal agency, causal agent, cause - any entity that produces an effect or is responsible for events or results

Translations

catalyst [ˈkætəlɪst] N (Chem, fig) → catalizador m

catalyst [ˈkætəlɪst] n

(= person, event) → catalyseur m
to act as a catalyst → servir de catalyseur

(CHEMISTRY) → catalyseur m

catalyst

n (lit, fig) → Katalysator m

catalyst [ˈkætəlɪst] n (all senses) → catalizzatore m

catalyst

n catalyst [kӕtəlist]

1 a substance which causes or assists a chemical change in another substance without itself undergoing any permanent chemical change. katalisator, kataliseermiddel مادَّةٌ حَفّازَه хим. катализатор katalyzátor katalysator der Katalysator καταλύτης catalizador katalüsaator کاتالیزور katalysaattori catalyseur זָרַז उत्प्रेरक katalizator katalizátor katalisator hvati catalizzatore 触媒 촉매 katalizatorius katalizators mangkin katalysator katalysator katalizator catalizador catalizator катализатор katalyzátor katalizator katalizator katalysator ตัวเร่งปฎิกิริยา katalizör 催化劑 каталізатор معاوب ، تیز کرنے والا chất xúc tác 催化剂

2 someone or something that helps bring about a change. katalisator حَفّاز، مُحَفِّز катализатор katalyzátor igangsætter; drivkraft; katalysator der Beschleuniger καταλύτης (μτφ.) catalizador abivahend واسطه؛ میانجی katalysaattori catalyseur זָרַז परिवर्तन लाने वाली कोई चीज katalizator katalizátor pencetus hvatamaður, hvati catalizzatore 触媒の役をするもの 촉매 역할을 하는 사람 kas pagreitina permainas katalizators pemangkin katalysator katalysator osoba/rzecz funkcjonująca jako `katalizator catalizador catalizator катализатор katalyzátor katalizator katalizator katalysator คนหรือสิ่งที่ทำให้เกิดการเปลี่ยนแปลง neden, sebep 促成改變的人或事 такий, що веде до зміни تبدیلی کا باعث یا محرک chất xúc tác 促进

adj cataˈlytic

katalities مُحَفِّز преломен katalytický igangsættende; katalytisk katalytisch καταλυτικός catalíctico katalüütiline فروکافتی katalyyttinen catalytique מְזָרֵז תְגוּבָה כִימִית उत्प्रेरण संबंधी katalitički katalitikus katalitis hvötunar-; örvandi, hvetjandi catalitico 触媒の 촉매(반응)의 katalizuojantis katalizatora- pemangkinan katalytisch katalytisk katalityczny catalítico catalitic каталитический katalytický katalitičen katalistički katalytisk ที่เกิดการเปลี่ยนแปลง katalitik 催化的 каталітичний تبدیلی لانے کی خاصیت رکھنے والا xúc tác 催化的

Mentioned in	?		References in periodicals archive	?		Dictionary browser	?		Full browser	?
accelerant accelerator activated alumina activator aluminium chloride aluminum chloride anticatalyst autocatalysis benzoyl peroxide biocatalyst catalysis catalytic converter catalytic cracker causal agency causal agent chemosorption enzyme Haber process hydrocracking			This article explains the process of using SCR catalyst for nitrogen oxide emissions reduction. The Process of Selective Catalytic Reduction for Reducing NOx ... by Anthony Onaf / Engineering and manufacturing community Unlike other reagents that participate in the chemical reaction, a catalyst is not consumed by the reaction itself. Realising Gold's Potential as a Catalyst by Graham Drage / Environmental services industry community Lead researcher Francisco Zaera, a professor of Chemistry, has revealed that the team used a common catalyst called platinum for these processes in their experiment. Natural oils' hydrogenation without making unhealthy trans fats ... by Asian News International			Catalects catalepsy cataleptic catalexis Catalina cherry Catalina Island Catallacta Catallactics catalo catalog catalog buying cataloged procedure cataloger Catalogize catalogue Catalogue raisonne catalogue raisonné Cataloguer Catalonia catalpa Catalpa bignioides Catalpa speciosa catalufa catalyse catalysis catalyst catalytic catalytic attack catalytic converter catalytic cracker Catalytic force catalytic war catalytically catalyze catamaran catamenia Catamenial catamite catamount catamountain Catanadromous catananche Catananche caerulea Catania Catanzaro Catapasm Catapeltic Catapetalous cataphasia cataphatic cataphatism			Catalunya, Spain Catalunya, Spain Catalunya, Spain Catalysator Catalysator Catalysator catalyse catalyse catalyse Catalyse et de Chimie des Matériaux Divisés Catalysed Catalysed Catalysed catalyser catalyses catalyses catalyses Catalysing Catalysing Catalysing Catalysing Access to ICT catalysis catalysis catalysis catalysis catalysis catalysis Catalysis Engineering Catalysis for Clean Energy and Sustainable Chemistry Catalysis Research Laboratory catalyst Catalyst 5000 Series Configuration Catalyst Average Temperature Catalyst Bed catalyst carrier Catalyst coke Catalyst Communities Housing Association Catalyst Control Center Catalyst Efficiency Management System Catalyst for Emerging Church Leadership Catalyst for Hair Follicle Biology Catalyst Game Labs Catalyst Monitor Sensor Catalyst Operating System Catalyst Poisons catalyst selectivity catalyst stripping Catalyst-Altered Water Catalysts Catalysts Catalysts Catalysts Catalysts Catalysts Catalysts & Chemicals Industries Co., Ltd. Catalysts, Biological Catalytes Catalytes Catalytes catalytic catalytic

catalyst playV2('en/US/sg/sgdgdhssdfsksnsos5gk');playV2('en/UK/sg/sgdgdhssdfsksnsos5gk')

catalyst