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

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

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