catalyse
Học thuậtThân thiện
Definition
- Verb:
- To cause or accelerate a chemical reaction by acting as a catalyst: To make a chemical process happen or happen faster by adding a substance that is not consumed in the reaction.
- To cause an action or event to happen more quickly: To act as a stimulus that rapidly brings about a change or process.
Usage
- The verb "catalyse" (US spelling: catalyze) is used to describe the action of a catalyst in chemistry. It is also used figuratively in broader contexts to describe something that triggers rapid change.
- It is a transitive verb and typically requires a direct object (the thing being changed or accelerated).
Examples
- Chemistry Context:
- The enzyme catalyses the breakdown of sucrose into glucose and fructose.
- Platinum is used to catalyse the conversion of carbon monoxide into carbon dioxide in car exhaust systems.
- Figurative Context:
- The tragic event catalysed a major review of public safety policies.
- Her inspiring speech catalysed the community into action.
Advanced Usage
- "to catalyse change": to be the agent that causes significant change to begin or accelerate.
- The new technology has the potential to catalyse change across the entire industry.
- "to catalyse a reaction": to initiate or speed up a chemical reaction. This is the most literal and common technical usage.
- The acid catalyses the reaction, producing the desired compound in minutes.
Variants and Related Words
- Catalyst (n): A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. Figuratively, a person or thing that precipitates an event.
- The manager acted as a catalyst for the team's improved performance.
- Catalysis (n): The process or action of causing or accelerating a chemical reaction by a catalyst.
- The production process relies on heterogeneous catalysis.
- Catalytic (adj): Relating to or involving catalysis.
- The converter has a catalytic function.
Synonyms
- Trigger: to cause something to start.
- Precipitate: to cause an event to happen suddenly or unexpectedly.
- Accelerate: to increase the speed or rate of.
- Stimulate: to encourage something to develop or become more active.
Antonyms
- Inhibit: to hinder, restrain, or prevent an action or process.
- Slow: to reduce the speed or progress of.
- Retard: to delay or hold back in terms of progress or development.
Related Phrases and Idioms
- "Act as a catalyst": This is a common phrase using the noun form. It means to serve as the agent that causes an important change.
- The scandal acted as a catalyst for political reform.
- "Catalytic converter": A specific compound term for a device in vehicles that uses a catalyst to convert toxic gases into less harmful substances. (Listed here as a common related term, not as a usage of the verb "catalyse" itself).
Verb
- change by catalysis or cause to catalyze