Definition for catalyst

noun as in something which incites activity

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Example Sentences

South Africa provides 84% of the platinum group metals needed for fuel cells and automotive catalysts.

From Fortune

That time spent in Ghana and across West and sub-Saharan Africa became my catalyst for starting Tala, and I regularly encourage my team members to take on a “figure it out!”

From Fortune

Floyd’s death was the catalyst for this year’s earlier protests, and Blake’s shooting reignited the demonstrations.

From Vox

So, more than anything, the endorsement was a catalyst for us to actually say let’s do something, we don’t have to sit around and wait on what are we going to do, endorse or not endorse.

Brittney Sykes is a defensive catalyst for the Sparks and dramatically improved her efficiency from two.

But the copper performs another important function: working as a catalyst in the distillation process.

Brunch is a catalyst, brunch is the enforcer of different-rules-for-the-weekend.

We are proud that our film could be a catalyst for even a small change in the ways these boys are treated in China.

Other non-design services, like Adobe Business Catalyst, which hosts email fundraising campaigns and e-commerce, also went down.

And that question is the catalyst for all the ambiguity throughout the film.

This simple act may have been the catalyst which gave Burl the solution to the problem.

We may, then, compare the catalyst to what is known as "a good mixer" in society.

The tactful hostess, the salon leader, is a social catalyst.

When hydrogen peroxide comes in contact with a catalyst, such as permanganate of potash, it breaks down into oxygen and water.

The catalyst which was necessary for the final reaction would be brought to him by Polter.


On this page you'll find 45 synonyms, antonyms, and words related to catalyst, such as: impetus, incentive, motivation, stimulant, adjuvant, and agitator.

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.