Catalyst: meaning, definitions and examples

Etymology

• The word comes from the Greek 'katalusis', meaning 'dissolution' or 'to loosen'.
• It was first used in the 19th century in chemistry to describe substances that speed up reactions.

Science

• In chemistry, catalysts are substances that increase the rate of a reaction without being consumed.
• Enzymes, which are biological catalysts, help processes like digestion and metabolism occur efficiently.

Pop Culture

• The concept of a catalyst is often used in movies and literature to describe key characters or events that drive change in a story.
• In the Marvel Cinematic Universe, characters can act as catalysts for the development of others, often leading to significant plot shifts.

Psychology

• A person can be a catalyst for change in others, inspiring them to act or think differently.
• Therapists often serve as catalysts, helping clients uncover insights and make personal transformations.

Environmental Science

• In the context of climate change, catalysts can refer to technologies that promote renewable energy and reduce emissions.
• Innovative policies can act as catalysts, driving communities toward sustainable practices and greener living.

At #6,899 in frequency, this word belongs to advanced vocabulary. It's less common than core vocabulary but important for sophisticated expression.

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• 6896 aloud
• 6897 insignificant
• 6898 swear
• 6899 catalyst
• 6900 install
• 6901 scared
• 6902 restrictive
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