| visible | 1. Perceivable by the eye; capable of being seen; perceptible; in view; as, a visible star; the least spot is visible on white paper. "Maker of heaven and earth, and of all things visible and invisible." (Bk. Of Com. Prayer) "Virtue made visible in outward grace." (Young) 2. Noticeable; apparent; open; conspicuous. "The factions at court were greater, or more visible, than before." (Clarendon) Visible church, the apparent church of Christ on earth; the whole body of professed believers in Christ, as contradistinguished from the invisible, or real, church, consisting of sanctified persons. Visible horizon. Same as Apparent horizon, under Apparent. Vis"ibleness, Vis"ibly. Origin: L. Visibilis, fr. Videre, visum, to see: cf. F. Visible. See Vision. Source: Websters Dictionary (01 Mar 1998) |
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| visible light | <physics> Electromagnetic radiation with wavelengths between 400 nanometres and 750 nanometres. Electromagnetic radiation within this range can be detected by the human eye. Colours depend on the wavelength lengths, a short wavelength (the 400 nm side) looks blue and a long wavelength (the 750 nm side) looks red. (09 Oct 1997) |
| visible spectrum | That part of electromagnetic radiation that is visible to the human eye; it extends from extreme red, 7606 A |