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CATALYST Definition Meaning - Merriam-Webster The meaning of CATALYST is a substance that enables a chemical reaction to proceed at a usually faster rate or under different conditions (as at a lower temperature) than otherwise possible
Catalyst | Examples, Definition, Facts | Britannica Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed Enzymes are naturally occurring catalysts responsible for many essential biochemical reactions
Catalysis - Wikipedia In general, chemical reactions occur faster in the presence of a catalyst because the catalyst provides an alternative reaction mechanism (reaction pathway) having a lower activation energy than the noncatalyzed mechanism
Catalyst - Definition, Meaning Synonyms | Vocabulary. com A catalyst is an event or person causing a change Getting kicked out of your parents' house might be a catalyst for becoming more independent The noun catalyst is something or someone that causes a change and is derived from the Greek word katalύein, meaning "to dissolve "
CATALYST Definition Meaning | Dictionary. com something that causes activity between two or more persons or forces without itself being affected a person or thing that precipitates an event or change His imprisonment by the government served as the catalyst that helped transform social unrest into revolution
DOE Explains. . . Catalysts | Department of Energy A catalyst is a substance that speeds up a chemical reaction, or lowers the temperature or pressure needed to start one, without itself being consumed during the reaction Catalysis is the process of adding a catalyst to facilitate a reaction
What Is a Catalyst Reaction and How Does It Work? A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process It participates in the reaction but emerges unchanged at the end, allowing it to be used repeatedly This ability to accelerate chemical transformations has far-reaching implications, impacting everything from industrial manufacturing to biological processes within living organisms
Catalyst - New World Encyclopedia A catalyst participates in one or more stages of a reaction, but it is usually not a reactant or product of the overall reaction that it catalyzes An exception to this rule is the process known as autocatalysis, in which the reaction product acts as a catalyst for the reaction