The phrase "catalyst event" is correct and usable in written English.
It is an event or circumstance that causes a significant change. For example, "The emergence of the Internet was a catalyst event that changed the way people communicate."
I didn't buy the catalyst event, though: Bobby swapping her sandwich for some sweets, and thereby "ruining the whole day".
Investor fatigue has already set in, but that doesn't necessarily mean we will see the catalyst event we've been waiting for to unclench a wave of divestment and consolidation.
Individual reasons why people become involved are many and varied, with no single catalyst event that explains involvement [3], however research indicates that involvement is a gradual process that occurs over time.
He was famous for making trades based on "catalysts" — events that might help or hurt the value of a given stock.
But he remains two-dimensional: he's a catalyst for events, not a conduit for change, including his own.
The title and central theme of the novel refer to the practice of racial "passing"; Clare Kendry's passing as white with her white husband, Jack Bellew, is featured as a central part of the novel, and a catalyst for events.
Paul Bard, vice president of research at Renaissance Capital of Greenwich, Conn., suggests looking for upcoming catalysts or events that might change the outlook of the company.
We do not limit ourselves to looking at the catalyst for an event, but also its repercussions, to determine whether any further inquiries or actions are warranted".
A best-ever Oberliga placing for modest Chemie Halle should have represented the highpoint in the East German club's history, yet tragically it was nothing more than the catalyst for an event that shocked European football and brought a terrible human cost for the club.
Legend has it the catalyst for the event was a local woman in the 12th Century who, on her wedding day, refused to let the local duke sleep with her.
The catalyst for the event was a tweet from a Swedish comedian and radio host, Emma Knyckare, that led organizers to start a Kickstarter campaign to raise funds: "What do you think about us putting together a very cool festival where only non-men are welcome and that we host until ALL men have learned how to behave themselves?" Knycare wrote.
