spectrum

noun 0.685

light spectrum

noun 0.669

spectroscopy

noun 0.641

spectral type

noun 0.637

optical spectrum

noun 0.632

spectrometry

noun 0.628

spectre

noun 0.623

spectrophotometry

noun 0.618

spectral class

noun 0.612

spectropolarimetry

noun 0.604

spectral line

noun 0.594

specularity

noun 0.581

absorption spectrum

noun 0.574

spectrogram

noun 0.573

visible spectrum

noun 0.571

spectacularity

noun 0.569

spectrograph

noun 0.561

spectroscope

noun 0.560

hydrogen spectrum

noun 0.557

spectrometer

noun 0.552

spectrophotometer

noun 0.552

spectroscopist

noun 0.550

specter

noun 0.543

band spectrum

noun 0.542

radiancy

noun 0.520

spectrum analyzer

noun 0.519

ethereality

noun 0.519

phenomenality

noun 0.518

reflectivity

noun 0.518

periodicity

noun 0.516

spookiness

noun 0.514

specificity

noun 0.511

singularity

noun 0.510

bispectrum

noun 0.505

reflectance

noun 0.505

electromagnetic spectrum

noun 0.504

radiance

noun 0.503

sonority

noun 0.503

space quantization

noun 0.502