остроугольный

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Russian

Etymology

о́стрый (óstryj) +‎ -о- (-o-) +‎ у́гол (úgol) +‎ -ный (-nyj)

Pronunciation

Adjective

остроуго́льный (ostrougólʹnyj)

  1. acute-angled (geometry)
    Antonyms: тупоуго́льный (tupougólʹnyj), прямоуго́льный (prjamougólʹnyj)

Declension