perpendikul'a•rnə̑j
{adjective} {mathematics} {Russian loan} [Generate paradigm] 1. perpendicular
♦ perpendikul'a•rnə̑j βija•š-βlak {noun} perpendicular lines
♦ perpendikul'a•rnə̑j li•nij {noun} perpendicular line
♦ perpendikul'a•rnə̑j plo•skost'-βlak {noun} perpendicular planes