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

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

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