catalyst [ kat-l-ist ]
1. Chemistry. a substance that causes or accelerates a chemical reaction without itself being affected.
2. something that causes activity between two or more persons or forces without itself being affected.
3. 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.
4. a person whose talk, enthusiasm, or energy causes others to be more friendly, enthusiastic, or energetic.
OTHER WORDS FROM CATALYST
WORDS RELATED TO CATALYST
impetus, motivation, incentive, stimulant, incitement, reactionary, spur, goad, incendiary, agitator, impulse, incitation, reactant, synergist, adjuvant, enzyme, spark plug
See more synonyms on Thesaurus.com
Origin: First recorded in 1900–05; cataly(sis) + (-i)st
EXAMPLE SENTENCES FROM THE WEB FOR CATALYST
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
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.