critical mass

critical mass
The minimum amount of fissionable material capable of supporting a chain reaction under precisely specified conditions.

Military dictionary. 2000.

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  • Critical Mass — Critical Mass …   Википедия

  • critical mass — ˌcritical ˈmass noun [singular] COMMERCE MARKETING the minimum number of users, buyers etc that is necessary for a product to succeed or for something to happen: critical mass of • A communications system is of no value to the users unless there… …   Financial and business terms

  • Critical Mass — (englische für kritische Masse) bezeichnet: Kritische Masse in der Kernphysik Critical Mass (Protestform), monatliches Radfahrereignis Critical Mass (Gruppe), niederländische Happy Hardcore Gruppe Critical Mass – Wettlauf mit der Zeit, US… …   Deutsch Wikipedia

  • critical mass — n [U and C] 1.) the amount of a substance that is necessary for a ↑nuclear ↑chain reaction to start 2.) the smallest number of people or things that are needed in order for something to happen or be possible ▪ How can we get a critical mass of… …   Dictionary of contemporary English

  • critical mass — [n] crisis point critical point, critical stage, crossroads*, crunch time, do or die time*, high noon*, irreversible momentum, moment of truth, point of no return, sink or swim time*, the Rubicon, turning point; concept 674 …   New thesaurus

  • Critical mass — См. Критическая масса Термины атомной энергетики. Концерн Росэнергоатом, 2010 …   Термины атомной энергетики

  • critical mass — noun 1. ) count or uncount SCIENCE the smallest amount of a substance needed to cause a nuclear reaction 2. ) singular or uncount the smallest number of people or things needed to make something happen …   Usage of the words and phrases in modern English

  • critical mass — The minimum amount of resources or number of people needed to start and/or sustain a business, project or event …   The small dictionary of idiomes

  • critical mass — n. 1. the minimum amount of fissile material that can sustain a nuclear chain reaction under a given set of conditions 2. the minimum amount or number required for something to happen, begin, etc …   English World dictionary

  • Critical Mass — This article is about bicycle events. For the nuclear reaction, see Critical mass. For other uses of the term critical mass , see Critical mass (disambiguation). San Francisco Critical Mass, April 29, 2005. Critical Mass is a cycling event… …   Wikipedia

  • Critical mass — This article is about nuclear fission reactions. For other uses, see Critical mass (disambiguation). As part of a re creation of a 1945 criticality accident, a plutonium pit is surrounded by blocks of neutron reflective tungsten carbide. The… …   Wikipedia

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