parabolic reflector

noun 0.877

parabolic

noun 0.757

spherical mirror

noun 0.731

paraboloid

noun 0.719

plane mirror

noun 0.678

parabola

noun 0.667

micromirror

noun 0.632

retroreflector

noun 0.625

radar reflector

noun 0.609

reflecting telescope

noun 0.608

mirror will

noun 0.585

mirror

noun 0.572

solar telescope

noun 0.567

hyperboloid

noun 0.565

reflector

noun 0.565

two-way mirror

noun 0.558

solar collector

noun 0.555

one-way mirror

noun 0.543

optical flat

noun 0.542

convex lens

noun 0.538

refracting telescope

noun 0.538

mirroring

noun 0.537

rear-view mirror

noun 0.533

hyperbola

noun 0.523

telescope

noun 0.516

mirror image

noun 0.509

dressing mirror

noun 0.509

periscope

noun 0.507

circular cone

noun 0.503

disco ball

noun 0.503

concave

noun 0.502

elliptical

noun 0.500

radio telescope

noun 0.500