an|ti|cat|a|lyst

an|ti|cat|a|lyst
an|ti|cat|a|lyst «AN tee KAT uh lihst», noun.
Rare. a substance which hinders a chemical reaction.

Useful english dictionary. 2012.

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  • cat|a|lyst — «KAT uh lihst», noun. 1. a substance that causes a chemical reaction while itself remaining practically unchanged: »Catalysts are properly defined as substances that regulate the rate at which chemical reactions proceed. Some catalysts accelerate …   Useful english dictionary

  • bi|o|cat|a|lyst — «BY oh KAT uh lihst», noun. a substance which produces a chemical reaction in a living body, such as a coenzyme, vitamin, or hormone …   Useful english dictionary

  • pho|to|cat|a|lyst — «FOH toh KAT uh lihst», noun. a catalyst activated by radiant energy …   Useful english dictionary

  • cat·a·lyst — /ˈkætələst/ noun, pl lysts [count] 1 technical : a substance that causes a chemical reaction to happen more quickly 2 : a person or event that quickly causes change or action The bombing attack was the catalyst for war. She was proud to be a… …   Useful english dictionary

  • lyst — an·a·lyst; an·ti·cat·a·lyst; cat·a·lyst; al·lelo·cat·a·lyst; …   English syllables

  • catalyst — cat|a|lyst [ˈkætl ıst] n [Date: 1900 2000; Origin: catalysis, on the model of analyst] 1.) technical a substance that makes a chemical reaction happen more quickly without being changed itself 2.) something or someone that causes an important… …   Dictionary of contemporary English

  • catalyst — cat|a|lyst [ kæt(ə)lıst ] noun count 1. ) someone or something that causes something to happen or change: catalyst for: The new development will act as a catalyst for growth in business and tourism. 2. ) SCIENCE a substance that causes a chemical …   Usage of the words and phrases in modern English

  • catalyst — cat·a·lyst …   English syllables

  • catalyst — cat•a•lyst [[t]ˈkæt l ɪst[/t]] n. 1) chem. a substance that causes or speeds a chemical reaction without itself being affected 2) a person or thing that precipitates an event or change • Etymology: 1900–05; cataly (sis) + ( i) st …   From formal English to slang

  • allelocatalyst — al·lelo·cat·a·lyst …   English syllables

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