catalyst
English Thesaurus
1. something that causes an important event to happen (noun.person)
2. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected (noun.substance)
| hypernym | : | activator, |
| definition | : | (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 (noun.substance) |
| hyponym | : | biocatalyst, |
| definition | : | a biochemical catalyst such as an enzyme (noun.substance) |
| hyponym | : | enzyme, |
| definition | : | any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions (noun.substance) |
| hyponym | : | platinum black, |
| definition | : | a fine black powder of platinum; used as a catalyst in chemical reactions (noun.substance) |
| domain category | : | chemical science, chemistry, |
| definition | : | the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (noun.cognition) |
| antonym | : | anticatalyst, |
| definition | : | (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst (noun.substance) |
| derivation | : | catalyse, catalyze, |
| definition | : | change by catalysis or cause to catalyze (verb.change) |
| antonym | : | anticatalyst, |
| definition | : | (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst (noun.substance) |
| derivation | : | catalyse, catalyze, |
| definition | : | change by catalysis or cause to catalyze (verb.change) |
Visual ArtiKata
Explore catalyst in ArtiKata.com >