reflector

noun 0.744

radar reflector

noun 0.744

parabolic reflector

noun 0.708

reflecting telescope

noun 0.650

retroflection

noun 0.650

refractor

noun 0.639

reflectivity

noun 0.627

parabolic mirror

noun 0.625

reflection

noun 0.618

reflectometry

noun 0.604

reflectometer

noun 0.603

retinoscope

noun 0.592

plane mirror

noun 0.585

retro

noun 0.584

reflecting

noun 0.583

rear-view mirror

noun 0.583

micromirror

noun 0.578

retractive

noun 0.574

retroflex

noun 0.571

autocollimator

noun 0.570

photoreflectance

noun 0.569

reflection nebula

noun 0.565

refractometer

noun 0.565

refracting telescope

noun 0.565

spherical mirror

noun 0.557

retrograde

noun 0.556

reflectance

noun 0.548

backscattering

noun 0.543

reflexive

noun 0.542

retransmitter

noun 0.541

refection

noun 0.540

angle of reflection

noun 0.534

two-way mirror

noun 0.532

rearview

noun 0.532

mirror

noun 0.530

retroelement

noun 0.528

optical flat

noun 0.525

retinoscopy

noun 0.523

reflexion

noun 0.523

retractor

noun 0.522

photoreceptor

noun 0.521

interferometer

noun 0.519

reflex camera

noun 0.515

retrofit

noun 0.513

time reversal

noun 0.513

retrospect

noun 0.511

reticle

noun 0.510

backscatter

noun 0.510

retinal

noun 0.510

reflex

noun 0.509

reverser

noun 0.508

radiometer

noun 0.505

riflescope

noun 0.504

retrospection

noun 0.504

total internal reflection

noun 0.504

reflux condenser

noun 0.504

deflector

noun 0.502

mirror image

noun 0.501

radio telescope

noun 0.501

tapetum

noun 0.501