Catalyst
mediumNeutral toneKAT-uh-list
noun
Definition
A person or thing that precipitates an event or change
Memory hook
CATA-LYST: Like a chemistry CATALYST that speeds up reactions -- triggers change without being consumed.
Word roots
Learning roots unlocks whole word families. Study common GRE root words.
Examples
“The economic crisis was the catalyst for political reform.”
“Her encouragement served as a catalyst for his decision to return to school.”
Test yourself
Fill in the blank with the right word:
“The economic crisis was the ______ for political reform.”
Show answer
catalyst
Categories
GRE Tip
Catalyst is a medium-difficulty GRE word. On the GRE, you might see it paired with synonyms like "stimulus" or "trigger" in Sentence Equivalence questions. Look for contrast clues (however, despite, although) that signal the opposite meaning. Words like "deterrent".
Related GRE Words
galvanize
To shock or excite someone into taking action
momentum
The impetus gained by a moving object; the strength or force that allows something to continue or grow
abate
To reduce in amount, degree, or intensity
affect
To have an influence on; to produce a change in (verb); emotional expression (noun in psychology)
ebb
To gradually decrease or decline; the movement of tide out to sea
effect
(noun) A result or consequence; (verb) to bring about or cause
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