Russian

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Etymology 1

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Deverbal from проби́ть (probítʹ).

Pronunciation

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Noun

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пробо́й (probójm inan (genitive пробо́я, nominative plural пробо́и, genitive plural пробо́ев)

  1. (for a lock) holdfast, clamp, hasp
  2. rupture, breakdown, punch-through, runaway, puncture, disruption, burst
    пробой ка́беляproboj kábeljacable fault
Declension
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Etymology 2

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Pronunciation

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Noun

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про́бой (próbojf inan

  1. instrumental singular of про́ба (próba)