| spectran | |
| spectra |
| spectra | (n) คำนามพหูพจน์ของ spectrum |
| spectra |
| spectral | (adj) of or relating to a spectrum, Example: spectral colors; spectral analysis |
| Spectral | a. He that feels timid at the spectral form of evil is not the man to spread light. F. W. Robertson. [ 1913 Webster ]
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| Spectrally | adv. In the form or manner of a specter. [ 1913 Webster ] |