-ktiv, -ktēv also -ktəv adjective
1. : having power to refract
refractive lens
2. : relating to or due to refraction
refractive phenomena
refractive dispersion of light
• re·frac·tive·ly -tə̇vlē, -li adverb
• re·frac·tive·ness -tivnəs, -tēv- also -təv- noun -es