Phrase Hound found 20 phrases and 24 compound words that contain spectral. The most common are listed below. Open spectral in the live search for definitions, filters, and the full list.
Phrases 20
- spectral batVampyrum spectrum, the largest carnivorous bat.
- spectral classA classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
- spectral linea dark or bright line in an otherwise continuous spectrum caused by the absorption or emission of light, at a single wavelength, by the movement of electrons between energy levels of an atom or molecule
- spectral theoremA theorem providing conditions under which an operator or matrix can be diagonalized.
- spectral classesplural of spectral class: A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
- spectral linesplural of spectral line: a dark or bright line in an otherwise continuous spectrum caused by the absorption or emission of light, at a single wavelength, by the movement of electrons between energy levels of an atom or molecule
- spectral setIn operator theory, a set X⊆ℂ such that, for a (possibly unbounded) linear operator T on a Banach space, the spectrum of T is in X and von Neumann's inequality holds for T on X.
- spectral theoryThose theories extending the eigenvalue and eigenvector theory of a single square matrix to a much broader theory of the structure of operators in a variety of mathematical spaces.
- spectral typean indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits
- spectral owlSynonym of great grey owl: Strix nebulosa, a very large owl.
- spectral setsplural of spectral set: In operator theory, a set X⊆ℂ such that, for a (possibly unbounded) linear operator T on a Banach space, the spectrum of T is in X and von Neumann's inequality holds for T on X.
- spectral theoriesplural of spectral theory: Those theories extending the eigenvalue and eigenvector theory of a single square matrix to a much broader theory of the structure of operators in a variety of mathematical spaces.
- spectral typesplural of spectral type: an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits
- hydrogen spectral seriesAny of several series of spectral lines of hydrogen that correspond to quantum transitions between the various allowed energy levels of the hydrogen atom.
- spectral batsplural of spectral bat: Vampyrum spectrum, the largest carnivorous bat.
- Frölicher spectral sequenceA tool in the theory of complex manifolds, for expressing the potential failure of the results of cohomology theory that are valid in general only for Kähler manifolds.
- Hodge-de Rham spectral sequenceSynonym of Frölicher spectral sequence: A tool in the theory of complex manifolds, for expressing the potential failure of the results of cohomology theory that are valid in general only for Kähler manifolds.
- spectral owlsplural of spectral owl: Strix nebulosa, a very large owl.
- spectral theoremsplural of spectral theorem: A theorem providing conditions under which an operator or matrix can be diagonalized.
- spectral gatingA signal processing technique used primarily for noise reduction and creative sound design; converting a signal into the frequency domain (a spectrogram), estimating a noise threshold for each frequency band, and then gating" (muting or …
Compound words 24
- bispectralOf or pertaining to bispectra
- isospectralHaving the same spectrum
- spectralityThe quality of being spectral or ghostly.
- nonspectralNot spectral.
- temporospectralRelating to the change in frequency distribution over time
- autospectralRelating to an autospectrum
- cospectralisospectral
- eigenspectralRelating to an eigenspectrum.
- extraspectralProducible by a combination of wavelengths but not by any single wavelength.
- microspectralRelating to the spectra of very small samples