perpendikul'arnə̑j
{adjective} {mathematics} {Russian loan} [Generate paradigm] 1. perpendicular
♦ perpendikul'arnə̑j βijaš-βlak {noun} perpendicular lines
♦ perpendikul'arnə̑j linij {noun} perpendicular line
♦ perpendikul'arnə̑j ploskost'-βlak {noun} perpendicular planes