Spectral
11spectral — [[t]spe̱ktrəl[/t]] ADJ If you describe someone or something as spectral, you mean that they look like a ghost. [LITERARY] She is compelling, spectral, fascinating, an unforgettably unique performer. ...the spectral quality of the light. Syn:… …
12spectral — adj. 1 a of or relating to spectres or ghosts. b ghostlike. 2 of or concerning spectra or the spectrum (spectral colours; spectral analysis). Derivatives: spectrally adv …
13spectral — spec|tral [ spektrəl ] adjective 1. ) MAINLY LITERARY looking like a GHOST, for example by being very thin and pale a ) relating to GHOSTS or reminding you of GHOSTS: the spectral gloom of the cellar 2. ) relating to a SPECTRUM …
14spectral — adjective 1 literary connected with or like a spectre: a spectral apparition 2 technical connected with or made by a spectrum …
15spectral — UK [ˈspektrəl] / US adjective 1) a) mainly literary looking like a ghost, for example by being very thin and pale b) relating to ghosts, or reminding you of ghosts the spectral gloom of the cellar 2) physics relating to a spectrum …
16Spectral efficiency — Spectral efficiency, spectrum efficiency or bandwidth efficiency refers to the information rate that can be transmitted over a given bandwidth in a specific communication system. It is a measure of how efficiently a limited frequency spectrum is… …
17Spectral method — Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain Dynamical Systems, often involving the use of the Fast Fourier Transform. Where applicable, spectral methods have… …
18Spectral music — (or spectralism) refers to a musical composition practice where compositional decisions are often informed by the analysis of sound spectra. Computer based sound spectrum analysis using a Fast Fourier transform is one of the more common methods… …
19Spectral sensitivity — is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal.In visual neuroscience, spectral sensitivity is used to describe the different characteristics of the photopigments in… …
20Spectral evidence — was a form of evidence, accepted in court during the Salem Witch Trials, that was based upon dreams and visions. Spectral evidence was admitted at the Salem witch trials by the appointed chief justice, William Stoughton. [… …
