refractometry

noun 0.862

refractor

noun 0.825

reflectometer

noun 0.728

refractive index

noun 0.696

refraction

noun 0.692

refracting telescope

noun 0.690

refractivity

noun 0.645

hydrometer

noun 0.627

reflectometry

noun 0.616

polarimeter

noun 0.612

refracture

noun 0.606

spectrometer

noun 0.599

osmometer

noun 0.594

spectrophotometer

noun 0.589

reflector

noun 0.586

diffractometry

noun 0.586

interferometer

noun 0.584

rheometer

noun 0.582

spectroscope

noun 0.577

refractive power

noun 0.575

keratometer

noun 0.573

retinoscope

noun 0.570

psychrometer

noun 0.568

retroreflector

noun 0.565

reflecting telescope

noun 0.564

refractory

noun 0.557

clinometer

noun 0.555

riflescope

noun 0.554

transmissometer

noun 0.554

urinometer

noun 0.553

chromatograph

noun 0.548

colorimeter

noun 0.542

birefringence

noun 0.542

fluorometer

noun 0.541

radiometer

noun 0.541

spectrograph

noun 0.541

diffraction grating

noun 0.541

reagent

noun 0.539

disdrometer

noun 0.539

prism

noun 0.534

viscometer

noun 0.534

respirometer

noun 0.530

turbidimeter

noun 0.530

reflux condenser

noun 0.529

nephelometer

noun 0.529

ellipsometer

noun 0.527

calibrator

noun 0.527

photoreflectance

noun 0.526

osmometry

noun 0.526

dilatometer

noun 0.526

rotary evaporator

noun 0.526

inclinometer

noun 0.525

tonometer

noun 0.525

fresnel

noun 0.524

wavemeter

noun 0.523

crystallographer

noun 0.523

densitometer

noun 0.522

spectrofluorometer

noun 0.522

polariscope

noun 0.522

thermometer

noun 0.518

refrigerant

noun 0.517

hygrometer

noun 0.516

oximeter

noun 0.515

diffractogram

noun 0.515

chromatographer

noun 0.515

photometer

noun 0.515

sugar thermometer

noun 0.515

rangefinder

noun 0.512

refrigerator

noun 0.511

microscope

noun 0.509

reflectivity

noun 0.509

autocollimator

noun 0.509

viscosimeter

noun 0.508

microplate reader

noun 0.507

light meter

noun 0.506

ophthalmoscope

noun 0.505

tensiometer

noun 0.504

monochromator

noun 0.504

reflectance

noun 0.503

recrystallization

noun 0.503

titrator

noun 0.501

telescope

noun 0.500

optical glass

noun 0.500

pyrheliometer

noun 0.500