| NOUN | substance | catalyst, accelerator | (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected |
|---|---|---|---|
| person | catalyst | something that causes an important event to happen |
| Sounds | kae'tahlahst; kae'tahlihst | |
|---|---|---|
| Rhymes | abolitionist ... zoologist: 193 rhymes with ahst... | |
| abortionist ... Zionist: 245 rhymes with ihst... | ||
| Meaning | (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected. | |
|---|---|---|
| Synonym | accelerator | |
| Category | chemistry, chemical science | The science of matter |
| Narrower | 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 | |
| Broader | activator | (biology) any agency bringing about activation |
| Opposite | anticatalyst | (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst |
| Spanish | acelerador, catalizador | |
| Catalan | catalitzador | |
| Verbs | catalyze | change by catalysis or cause to catalyze |
| Meaning | Something that causes an important event to happen. | |
|---|---|---|
| Example | "the invasion acted as a catalyst to unite the country" | |
| Broader | causal agent, cause, causal agency | Any entity that produces an effect or is responsible for events or results |
| Spanish | catalizador | |
| Catalan | catalitzador | |
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