spectral
adjective
spec·tral
ˈspek-trəl
1
2
: of, relating to, or made by a spectrum
especially
: relating to or derived from the electromagnetic spectrum of visible light
Surfaces can differ in the proportion of incident light they reflect (dark ones reflect less than light ones) and in the spectral composition of the light they reflect. —Principles of Neural Science
Their examination supported the opinion that the stone was mined in India and cut in London. They also found that the spectral characteristics overlap those of known treated green diamonds. —Lapidary Journal
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“Spectral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spectral. Accessed 5 Aug. 2026.
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