Spĕc'tral, a.
a. 1. Pertaining to a specter; ghostly. He that feels timid at the spectral form of evil, is not the man to spread light. F. W. Robertson. 2. Pertaining to a spectrum; as, spectral colors.
a. 1. Pertaining to a specter; ghostly. He that feels timid at the spectral form of evil, is not the man to spread light. F. W. Robertson. 2. Pertaining to a spectrum; as, spectral colors.