refractional
[rɪˈfrækʃənl] = refractive = refractive refractional = refractive refractional = refractive refractive: refractive преломляющий; refractive medium преломляющая среда
[rɪˈfrækʃənl] = refractive = refractive refractional = refractive refractional = refractive refractive: refractive преломляющий; refractive medium преломляющая среда