Chemistry. a substance that causes or accelerates a chemical reaction without itself being affected.
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.
a person whose talk, enthusiasm, or energy causes others to be more friendly, enthusiastic, or energetic.
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WATCH NOW: Can A Person Be A Catalyst?
A catalyst means "something that causes activity, an event, or change." And usually, these events and changes are big. But, can a catalyst be a person?
South Africa provides 84% of the platinum group metals needed for fuel cells and automotive catalysts.
Europe relies on foreign raw materials to power its green and digital future. Now it wants to mine them at home|David Meyer|September 3, 2020|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!”
The advice that helped this year’s 40 under 40 find their own path|kdunn6|September 3, 2020|Fortune
Floyd’s death was the catalyst for this year’s earlier protests, and Blake’s shooting reignited the demonstrations.
Violent protests against police brutality in the ’60s and ’90s changed public opinion|German Lopez|August 28, 2020|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.
Log Cabin’s new project seeks to duplicate success of Grenell video|Chris Johnson|August 26, 2020|Washington Blade
Brittney Sykes is a defensive catalyst for the Sparks and dramatically improved her efficiency from two.
There’s No WNBA All-Star Game This Year, But We Picked The Rosters Anyway|Howard Megdal|August 26, 2020|FiveThirtyEight
But the copper performs another important function: working as a catalyst in the distillation process.
When It Comes to Great Whisky, The Size of Your Still Matters||December 9, 2014|DAILY BEAST
Brunch is a catalyst, brunch is the enforcer of different-rules-for-the-weekend.
Don’t Diss the Beauty of Brunch: Defending Our Favorite Meal|Tim Teeman|October 15, 2014|DAILY BEAST
We are proud that our film could be a catalyst for even a small change in the ways these boys are treated in China.
China Doesn't Want You to See the Internet Addiction Film 'Web Junkie'|Shosh Shlam and Hilla Medalia|August 9, 2014|DAILY BEAST
And that question is the catalyst for all the ambiguity throughout the film.
How ‘Transcendence’ Director Wally Pfister Became Christopher Nolan’s Secret Weapon|Andrew Romano|April 17, 2014|DAILY BEAST
The senator's 13-hour filibuster of the confirmation of John Brennan to be CIA director last March was the catalyst.
Rand Paul’s Audacity of Nope: Suing Obama Over Domestic Surveillance|Sam Youngman|January 6, 2014|DAILY BEAST
For that reason the catalyst is referred to as "a chemical parson."
Creative Chemistry|Edwin E. Slosson
A catalyst failed briefly in its task, then resumed, but the damage had been done.
The Short Life|Francis Donovan
As Thane had guessed, the use of gold in the catalyst principle gave Candar pause, but only momentarily.
Evil Out of Onzar|Mark Ganes
I have some scientific knowledge myself about the powers of this catalyst.
Brigands of the Moon|Ray Cummings
There may be a catalyst here in this area which works in conjunction with your thought-processes and not mine.
The Alternate Plan|Gerry Maddren
British Dictionary definitions for catalyst
catalyst
/ (ˈkætəlɪst) /
noun
a substance that increases the rate of a chemical reaction without itself suffering any permanent chemical changeCompare inhibitor (def. 2)
Black Lives Matter And 9 Other Influential Calls To Action You Should KnowFrom "burn your draft card" to "Black Lives Matter," here are 10 of the most iconic rallying cries for change in US history—and why they are so enduring today.
A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.
A substance that starts or speeds up a chemical reaction while undergoing no permanent change itself. The enzymes in saliva, for example, are catalysts in digestion.