spectrum
English Thesaurus
1. a broad range of related objects or values or qualities or ideas or activities (noun.attribute)
2. an ordered array of the components of an emission or wave (noun.phenomenon)
| hypernym | : | array, |
| definition | : | an orderly arrangement (noun.group) |
| hyponym | : | absorption spectrum, |
| definition | : | the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths (noun.phenomenon) |
| hyponym | : | action spectrum, |
| definition | : | the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation (noun.phenomenon) |
| hyponym | : | atomic spectrum, |
| definition | : | (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element (noun.phenomenon) |
| hyponym | : | emission spectrum, |
| definition | : | spectrum of electromagnetic radiation emitted by a self-luminous source (noun.phenomenon) |
| hyponym | : | infrared spectrum, |
| definition | : | the spectrum of infrared radiation (noun.phenomenon) |
| hyponym | : | line spectrum, |
| definition | : | a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level (noun.phenomenon) |
| hyponym | : | mass spectrum, |
| definition | : | a distribution of ions as shown by a mass spectrograph or a mass spectrometer (noun.phenomenon) |
| hyponym | : | microwave spectrum, |
| definition | : | the part of the electromagnetic spectrum corresponding to microwaves (noun.phenomenon) |
| hyponym | : | radio spectrum, radio-frequency spectrum, |
| definition | : | the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television (noun.phenomenon) |
| hyponym | : | acoustic spectrum, sound spectrum, |
| definition | : | the distribution of energy as a function of frequency for a particular sound source (noun.phenomenon) |
| part holonym | : | spectrum line, |
| definition | : | an isolated component of a spectrum formed by radiation at a uniform frequency (noun.communication) |
3. a broad range of related objects or values or qualities or ideas or activities (noun.attribute)
| derivation | : | spectral, spectral, |
| definition | : | of or relating to a spectrum (adj.pert) |
| derivation | : | spectral, spectral, |
| definition | : | of or relating to a spectrum (adj.pert) |
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