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 method, Frölicher spectral sequence, Spectral gap, Serre spectral sequence, Spectral band, Grothendieck spectral sequence, Spectral theory, Spectral density estimation, Spectral radius, Applied Spectral Imaging, Multidimensional spectral estimation, Spectral modeling synthesis, Spectral index, Arnold's spectral sequence, Spectral bat, Spectral imaging, Lyndon–Hochschild–Serre spectral sequence, Spectral printing, Spectral interferometry, Joint spectral radius, Spectral analysis, Spectral (disambiguation), Spectral space, Spectral tarsier, Spectral Souls: Resurrection of the Ethereal Empires, Eilenberg–Moore spectral sequence, Spectral power distribution, Spectral centroid, Full spectral imaging, Spectral decomposition

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

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