Russian edit

Etymology edit

прок (prok) +‎ -ный (-nyj)

Pronunciation edit

  • IPA(key): [ˈprot͡ɕnɨj]
  • (file)

Adjective edit

про́чный (próčnyj) (comparative (по)прочне́е or (по)прочне́й)

  1. durable, strong, firm

Declension edit

Derived terms edit