spectrograph

noun 0.813

spectrometer

noun 0.806

spectroscopist

noun 0.785

spectroscopy

noun 0.772

spectrophotometer

noun 0.765

spectrometry

noun 0.698

spectropolarimetry

noun 0.682

spectrophotometry

noun 0.671

spectrum analyzer

noun 0.663

spectrofluorometer

noun 0.649

spectrogram

noun 0.645

optical spectrum

noun 0.635

oscilloscope

noun 0.635

light spectrum

noun 0.632

electroscope

noun 0.629

riflescope

noun 0.623

polariscope

noun 0.614

spyglass

noun 0.608

otoscope

noun 0.605

infrared spectroscopy

noun 0.604

telescope

noun 0.596

bioscope

noun 0.594

ophthalmoscope

noun 0.592

spectrum

noun 0.591

thermoscope

noun 0.589

microscope

noun 0.586

monochromator

noun 0.585

polarimeter

noun 0.584

stereoscope

noun 0.584

fluorescence spectroscopy

noun 0.583

endoscope

noun 0.581

periscope

noun 0.578

refractometer

noun 0.577

absorption spectrum

noun 0.573

microspectrophotometry

noun 0.567

solar telescope

noun 0.564

colonoscope

noun 0.563

polychromator

noun 0.562

microwave spectroscopy

noun 0.562

chromatograph

noun 0.562

interferometer

noun 0.561

spectrality

noun 0.560

spectral type

noun 0.560

visible spectrum

noun 0.559

reflectometer

noun 0.559

spectral line

noun 0.554

refractor

noun 0.553

spectral class

noun 0.553

mass spectrometry

noun 0.549

retinoscope

noun 0.549

proctoscope

noun 0.548

kaleidoscope

noun 0.543

spirometer

noun 0.542

iconoscope

noun 0.542

sigmoidoscope

noun 0.540

esophagoscope

noun 0.539

resectoscope

noun 0.539

episcope

noun 0.539

colorimeter

noun 0.539

hydrogen spectrum

noun 0.538

radiometer

noun 0.538

ellipsometer

noun 0.536

stroboscope

noun 0.535

laryngoscope

noun 0.534

opsin

noun 0.534

speculum

noun 0.534

optics

noun 0.533

photosensor

noun 0.531

photometer

noun 0.530

fiberscope

noun 0.530

fluoroscope

noun 0.529

refracting telescope

noun 0.528

synchrotron

noun 0.526

microscopist

noun 0.526

fibrescope

noun 0.525

borescope

noun 0.524

chromatographer

noun 0.523

observatory

noun 0.522

scanner

noun 0.519

spec

noun 0.519

ureteroscope

noun 0.519

tricorder

noun 0.519

diffraction grating

noun 0.517

pyrheliometer

noun 0.516

scatterometer

noun 0.516

coronagraph

noun 0.516

biomicroscope

noun 0.515

hodoscope

noun 0.514

optical microscope

noun 0.513

polarimetry

noun 0.510

gastroscope

noun 0.510

scintillometer

noun 0.509

microplate reader

noun 0.509

photosphere

noun 0.509

spectre

noun 0.507

radarscope

noun 0.507

laparoscope

noun 0.507

fetoscope

noun 0.506

scop

noun 0.504

arthroscope

noun 0.503