catalyst

cat·a·lyst  (ktl-st)

n.

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).

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[From catalysis.]

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catalyst

Noun

1. a substance that speeds up a chemical reaction without itself undergoing any permanent chemical change

2. a person or thing that causes an important change to take place: a catalyst for peace

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catalyst  (ktl-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.

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catalytic adjective (ktl-tk)

Thesaurus

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 → catalizador m

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catalyst [ˈkætəlɪst] n → catalyseur m

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catalyst [ˈkætəlɪst] n → Katalysator m

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catalyst [ˈkætəlɪst] n → catalizzatore m

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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 남에게 감화를 주는 것[] kas pagreitina permainas katalizators pemangkin katalysator katalysator osoba/rzecz funkcjonująca jako `katalizator catalizador catalizator катализатор katalyzátor katalizator katalizator katalysator คนหรือสิ่งที่ทำให้เกิดการเปลี่ยนแปลง neden, sebep 促進 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