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Catalyst   /kˈætələst/  /kˈætəlɪst/   Listen
Catalyst

noun
1.
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.  Synonym: accelerator.
2.
Something that causes an important event to happen.



Related search:
biocatalyst


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"Catalyst" Quotes from Famous Books



... same time liberating free fluorine. This reaction could only take place on a planet receiving lots of ultra-violet because so much energy is needed to break up carbon tetrafluoride and hydrofluoric acid. The plant catalyst (doubling for the magnesium in chlorophyll) is nickel. The plants are colored in various ways. They get their metals from ...
— Uller Uprising • Henry Beam Piper, John D. Clark and John F. Carr


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