catalyst 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
Hypernym
activator 1
noun
(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
Domain_of_synset_-_TOPIC
chemistry 1
noun
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
EnglishAntonym
anticatalyst 1
noun
(chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst
Derivationally related form
catalyze 1
verb
change by catalysis or cause to catalyze
Hyponym
biocatalyst 1
noun
a biochemical catalyst such as an enzyme
enzyme 1
noun
any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
platinum black 1
noun
a fine black powder of platinum; used as a catalyst in chemical reactions
an accelerator that lowers the activation energy of vulcanization reaction.
Member_of_this_domain_-_TOPIC
chemistry 1
noun
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
