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critical mass

/krit-i-kuhl mas/US // ˈkrɪt ɪ kəl ˈmæs //

临界质量,关键质量,临界量,临界值

Related Words

Definitions

n.名词 noun
  1. 1
    • : Physics. the amount of a given fissionable material necessary to sustain a chain reaction at a constant rate: The critical mass for a bomb based on uranium fission is different than that for plutonium fission.
    • : an amount necessary or sufficient to have a significant effect or to achieve a result: a critical mass of popular support.

Synonyms & Antonyms

Examples

  • That’s because a critical mass of people must be vaccinated in order to attain herd immunity.

  • Pence’s display of leadership means something, but not nearly as much as implementing a plan so a critical mass of people can get immunized — ending the coronavirus nightmare he and his boss have actively made worse.

  • So there’s a critical mass in the state — particularly in the northeast of the state, but really throughout the state — that just aren’t taking the precautions they should be taking.

  • They would rather, perhaps, become the next WhatsApp and be a 2BN user silo rather than play nice with other people because they’re already past critical mass.

  • If it is, it will take Apple longer to get to some sort of “critical mass.”

  • Dossi initially was listed in critical condition with wounds to his arm and lower back.

  • Their bodies were later found incinerated and buried in mass graves outside of town.

  • Beyond the huge American flag that hung over the street, the mile-long mass of cops ended.

  • “The United States had gone to war declaring it must destroy an active weapons of mass destruction program,” the Times reported.

  • Google itself has taken a break and put plans for mass production on hold.

  • Charred beams and blackened walls showed stark and gaunt in the glow of a smoldering mass of wreckage.

  • But hitherto, before these new ideas began to spread in our community, the mass of men and women definitely settled down.

  • These are few and verbal, but momentous, and were not made without consultation of many critical authorities and versions.

  • The Turks were no longer in mass but extended in several lines, less than a pace between each man.

  • Thus among the huge mass of accumulated commodities the simplest wants would go unsatisfied.