Spectral color, Spectral sequence, Spectral music, Spectral density, Spectral theorem, Spectral efficiency, Spectral, Adams spectral sequence, Spectral line, Spectral mask, Hodge–de Rham spectral sequence, Spectral method, Spectral band, Frölicher spectral sequence, Spectral density estimation, Serre spectral sequence, Spectral theory, Spectral imaging, Spectral gap, Multidimensional spectral estimation, Spectral radius, Lyndon–Hochschild–Serre spectral sequence, Grothendieck spectral sequence, Spectral printing, Spectral index, Spectral modeling synthesis, Arnold's spectral sequence, Spectral bat, Applied Spectral Imaging, Spectral space, Spectral interferometry, Joint spectral radius, Spectral (disambiguation), Spectral analysis, Spectral tarsier, Spectral power distribution, Eilenberg–Moore spectral sequence, Spectral energy distribution, Spectral Souls: Resurrection of the Ethereal Empires, Full spectral imaging, Källén–Lehmann spectral representation

Spectral Force 3, Maximum entropy spectral estimation, Spectral centroid, Spectral band replication, Spectral decomposition, Peptide spectral library, Spectral Sciences Incorporated, Atiyah–Hirzebruch spectral sequence, Spectral network, Spectral flux density, Least-squares spectral analysis, Regularization by spectral filtering, Spectral dimension, Cosmic microwave background spectral distortions, CDMA spectral efficiency, Spectral element method, Spectral Associates, Spectral resolution, Spectral gap (physics), Spectral induced polarisation, Noise spectral density, Line spectral pairs, Asteroid spectral types, Gursky's spectral tarsier, Free spectral range, Spectral line shape, Čech-to-derived functor spectral sequence, Spectral signature, Stellar classification, Spectral slope, Spectral sensitivity, Radiant flux, Spectral Evidence (1997 book), Orthogonal polarization spectral imaging, Spectral atlas, Spectral rendering, Spectral width, Spectral phase interferometry for direct electric-field reconstruction, Spectral Display, Spectral noise logging, Spectral abscissa, Spectral Worship, Onwards to the Spectral Defile, Spectral clustering, Radiant intensity, Radiometry, Spectral asymmetry, Spectral acceleration, Spectral splatter, Radiant exposure

Spectral color, Spectral sequence, Spectral music, Spectral density, Spectral theorem, Spectral efficiency, Spectral, Adams spectral sequence, Spectral line, Spectral mask, Hodge–de Rham spectral sequence, Spectral method, Spectral band, Frölicher spectral sequence, Spectral density estimation, Serre spectral sequence, Spectral theory, Spectral imaging, Spectral gap, Multidimensional spectral estimation, Spectral radius, Lyndon–Hochschild–Serre spectral sequence, Grothendieck spectral sequence, Spectral printing, Spectral index, Spectral modeling synthesis, Arnold's spectral sequence, Spectral bat, Applied Spectral Imaging, Spectral space, Spectral interferometry, Joint spectral radius, Spectral (disambiguation), Spectral analysis, Spectral tarsier, Spectral power distribution, Eilenberg–Moore spectral sequence, Spectral energy distribution, Spectral Souls: Resurrection of the Ethereal Empires, Full spectral imaging, Källén–Lehmann spectral representation, Spectral Force 3, Maximum entropy spectral estimation, Spectral centroid, Spectral band replication, Spectral decomposition, Peptide spectral library, Spectral Sciences Incorporated, Atiyah–Hirzebruch spectral sequence, Spectral network, Spectral flux density, Least-squares spectral analysis, Regularization by spectral filtering, Spectral dimension, Cosmic microwave background spectral distortions, CDMA spectral efficiency, Spectral element method, Spectral Associates, Spectral resolution, Spectral gap (physics), Spectral induced polarisation, Noise spectral density, Line spectral pairs, Asteroid spectral types, Gursky's spectral tarsier, Free spectral range, Spectral line shape, Čech-to-derived functor spectral sequence, Spectral signature, Stellar classification, Spectral slope, Spectral sensitivity, Radiant flux, Spectral Evidence (1997 book), Orthogonal polarization spectral imaging, Spectral atlas, Spectral rendering, Spectral width, Spectral phase interferometry for direct electric-field reconstruction, Spectral Display, Spectral noise logging, Spectral abscissa, Spectral Worship, Onwards to the Spectral Defile, Spectral clustering, Radiant intensity, Radiometry, Spectral asymmetry, Spectral acceleration, Spectral splatter, Radiant exposure, Radiant exitance, Hydrogen spectral series, Polynomial matrix spectral factorization, Spectral submanifold, Spectral flatness, Leray spectral sequence, Reflectance, Spectral leakage, Spectral geometry, Irradiance, Spectral Genomics, Radiance, Frequency principle/spectral bias, The Spectral Sorrows, Spectral shape analysis, Spectral Hash, Spectral Mornings, Spectral Lines, Spectral triple, Spectral Dusk, Spectral purity, Spectral Evidence, Spectral concentration problem, Spectral graph theory, Chromatic spectral sequence, Pseudo-spectral method, May spectral sequence, Spectral glide, Alexis Spectral Data, Multispectral imaging, Spectral evidence, Spectral (Skyfire album), Spectral variability hypothesis, Spectral layout, Spectral Evidence (poetry collection), Spectral set, Spectral risk measure, Spectral flux, Spectral correlation density, Spectral pygmy chameleon, EHP spectral sequence, Log-spectral distance, Spectral Database for Organic Compounds, Spectral imaging (radiography), Spectral (Dave Rempis album), Freudenthal spectral theorem, Bockstein spectral sequence, Spectral invariants, Colorimetry, Radiosity (radiometry), Spectral expansion solution, Multi-spectral camouflage, Projection-valued measure, Quillen spectral sequence, Spectral line ratios, Phasor approach to fluorescence lifetime and spectral imaging, Spectral test, Spectral regrowth, Spatiospectral scanning, Hilbert spectral analysis