
[
adj] - of or relating to a spectrum
Found on http://www.webdictionary.co.uk/definition.php?query=spectral
Spec'tral adjective 1. Of or pertaining to a specter; ghosty. « He that feels timid at the
spectral form of evil is not the man to spread light.»
F. W. Robertson. 2. (Opt.) Of or pertaining to the spectrum; made by the spectrum; as,
spectral c...
Found on http://www.encyclo.co.uk/webster/S/158
adjective of or relating to a spectrum; `spectral colors`; `spectral analysis`
Found on https://www.encyclo.co.uk/local/20974

• (a.) Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis. • (a.) Of or pertaining to a specter; ghosty.
Found on http://thinkexist.com/dictionary/meaning/spectral/

an adjective that, when applied to a quantity X pertaining to electromagnetic radiation, indicates : — either that X is a function of the wavelength ?, symbol : X (?), — or that the quantity referred to is the spectral concentration of X, symbol : in the latter case, in French, 'spectrique' is preferred to 'spectral' X
...
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=845-01-16
Type: Term Pronunciation: spek′trăl Definitions: 1. Relating to a spectrum.
Found on http://www.medilexicon.com/medicaldictionary.php?t=83342
resembling or characteristic of a phantom
Found on https://www.vocabulary.com/lists/52473
Having to do with the spectrum
Found on http://www.encyclo.co.uk/local/22291
resembling or characteristic of a phantom
Found on https://www.vocabulary.com/lists/52329
Pertaining to the visible spectrum, thus, having to do with color.
Found on https://www.xrite.com/learning/other-resources/glossary
No exact match found