- any substance serving as the agent in catalysis
- a person or thing acting as the stimulus in bringing about or hastening a result
- The definition of a catalyst is someone or something that speeds up or brings about an event.
An example of catalyst is how President Bush's claims that Iraq had weapons of mass destruction started the war in Iraq.
- Catalyst is defined as a substance that speeds up the rate of a chemical reaction.
An example of catalyst is using a catalytic converter to change carbon monoxide into carbon dioxide.
- Chemistry A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.
- One that precipitates a process or event, especially without being involved in or changed by the consequences: “A free press … has remained … a vital catalyst to an informed and responsible electorate” ( Robert O'Neal )
Origin of catalystFrom catalysis
- (chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process.
- Someone or something that encourages progress or change.
- Economic development and integration are working as a catalyst for peace.
- (literature) An inciting incident which that sets the successive conflict into motion.
- (automotive) A catalytic converter.
From catalysis + -ist.
catalyst - Computer Definition
- His belligerent attitude toward car driving became the catalyst for this thought provoking drama.
- The book and the interview served as the catalyst that launched him into a stellar career in Entertainment, landing him his own show Crossing Over with John Edward on the Sci-Fi Channel.
- It is likely that the next stage in the evolution of electronics, whether it is artificial intelligence and neural networks, or smaller and faster nanotechnology - will serve as a catalyst for additional growth.
- Aptitude testing revealed that Bretherton could best serve his country by studying etymology and exterminating, and that became the catalyst for his future career as an exterminator and reality TV star.
- The book The Live Food Factor contains dozens of case histories contributed from individuals who lost weight or healed from chronic conditions and cite raw foods as their healing catalyst.