TV series example of the word
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The Big Bang Theory Season 1, Episode 12
We need a social catalyst.

Breaking Bad Season 3, Episode 13
Any particular trick to purging the catalyst bed?
অনুঘটক
(1) (chemistry.
(2) Something that causes an important event to happen.
(3) (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.
(4) Something which incites activity.
(1) It is amazing what acts as a catalyst to spur people on to do something about a situation.
(2) Though the film is around these two men, it is the women who play the catalyst to all the events and add momentum to the story.
(3) The one exception is that it is sometimes used as a catalyst in the petroleum industry.
(4) The governor's speech acted as a catalyst for debate
(5) Chlorine acts as a catalyst promoting the breakdown of ozone
(6) The Parliamentary debate on this report was the actual catalyst which prompted the minister to resign.
(7) In Scotland, it has always been Catholic schools which have been the catalyst for this debate.
(8) It will hopefully act as a catalyst for more formal public education in the future.
(9) The prime minister's speech acted as a catalyst for debate
(10) I hope that it will be a catalyst for an ongoing debate and discussion in our field.
(11) On the second issue, the crisis also served as a catalyst to the birth of a more responsible and braver press.
(12) Historical and meaningful events such as this often act as a catalyst for change.
(13) If there is any catalyst to get the team motivated for next season it will be this performance in the nationals.
(14) It is the union of the latter two that provides the catalyst for the events that follow.
(15) The event was to be used as a catalyst for change and to bring new hope to residents in rundown areas of the city.
(16) This is the catalyst for a chain of events which threatens to destabilise the parliament.
(17) The beach becomes the catalyst which encourages them to break society's rules.
(18) All three shocks have caused, or been a catalyst for, a serious downturn in western economies.
(19) He attempted to polymerize ethylene using catalysts at a much lower pressure than that used by the British process.
(20) The element is also used to make dyes, photographic film, specialized soaps, and catalysts .
stimulus
stimulation
spark
sparkplug
spur
incitement
impetus
Anticatalyst
Block
Blockage
Prevention
The Big Bang Theory Season 1, Episode 12
We need a social catalyst.
Breaking Bad Season 3, Episode 13
Any particular trick to purging the catalyst bed?