Pronunciation: /ˈkætəlɪst/
noun a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
A1 A catalyst is something that speeds up a chemical reaction.
A2 Adding a catalyst to the mixture helped the process go faster.
B1 The new policy acted as a catalyst for change within the organization.
B2 The invention of the internet was a catalyst for the digital revolution.
C1 The artist's controversial work served as a catalyst for discussion and debate.
C2 The groundbreaking scientific discovery acted as a catalyst for advancements in the field.
verb not applicable
A1 Adding water is a catalyst for the chemical reaction.
A2 Her positive attitude acted as a catalyst for change in the workplace.
B1 The new policy served as a catalyst for increased productivity.
B2 The discovery of a new technology catalyzed advancements in the field of medicine.
C1 His groundbreaking research catalyzed a paradigm shift in the scientific community.
C2 The artist's innovative work has catalyzed a renaissance in the art world.
adjective not applicable
A1 She is a catalyst for positive change in her community.
A2 The new teacher was a catalyst for improved student performance.
B1 The company's innovative marketing strategy acted as a catalyst for increased sales.
B2 The scientific breakthrough served as a catalyst for further research in the field.
C1 His leadership skills were a catalyst for the team's success.
C2 The artist's unique perspective acted as a catalyst for a new artistic movement.
adverb not applicable
A1 The new teacher was a catalyst for positive change in the classroom.
A2 Her promotion acted as a catalyst for her colleagues to work harder.
B1 The company's new marketing strategy served as a catalyst for increased sales.
B2 The discovery of a new renewable energy source could be a catalyst for reducing carbon emissions.
C1 The government's investment in infrastructure acted as a catalyst for economic growth.
C2 The groundbreaking research served as a catalyst for advancements in the field of medicine.
pronoun not applicable
A1 A catalyst helps speed up chemical reactions.
A2 The catalyst in the experiment caused the reaction to occur faster.
B1 Using a catalyst is essential in this process to accelerate the reaction.
B2 The addition of a catalyst significantly increased the rate of the reaction.
C1 The catalyst played a crucial role in facilitating the transformation of the compounds.
C2 The catalyst acted as a key factor in driving the chemical reaction forward.
preposition not applicable
A1 The catalyst for the argument was a misunderstanding.
A2 Her promotion was the catalyst for her decision to move to a new city.
B1 The new policy served as a catalyst for change within the organization.
B2 The invention of the smartphone acted as a catalyst for the digital revolution.
C1 The discovery of penicillin was a catalyst for advancements in modern medicine.
C2 The fall of the Berlin Wall was a catalyst for the reunification of Germany.
conjunction not applicable
A1 I wanted to go to the park, but it started raining, so I stayed home instead.
A2 I was tired, but a cup of coffee acted as a catalyst and gave me the energy to finish my work.
B1 The new law served as a catalyst for change in the community, leading to improved safety measures.
B2 The economic downturn acted as a catalyst for companies to reevaluate their business strategies.
C1 The scientific breakthrough served as a catalyst for advancements in the field of medicine.
C2 The artist's innovative work acted as a catalyst for a new wave of creativity in the art world.
interjection not applicable
A1 Catalyst! Let's start the experiment.
A2 Catalyst, please pass me the test tube.
B1 Catalyst, could you help me with this reaction?
B2 Catalyst, your input has been invaluable in this project.
C1 Catalyst, your innovative ideas have sparked a new direction for our company.
C2 Catalyst, your leadership has truly transformed our team.
article not applicable
A1 A catalyst is a substance that speeds up a chemical reaction.
A2 Adding a catalyst to the mixture helped the reaction occur faster.
B1 The catalyst played a crucial role in facilitating the reaction in the lab.
B2 The catalyst acted as a trigger for the reaction to take place.
C1 The catalyst's presence significantly accelerated the rate of the chemical reaction.
C2 The catalyst's impact on the reaction was profound, leading to a rapid transformation of the compounds.
formal The enzyme acted as a catalyst in the chemical reaction.
informal The new manager was the catalyst for positive changes in the company.
slang Her encouragement was the catalyst that pushed him to pursue his dreams.
figurative The protest served as a catalyst for social change in the community.
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