• late Middle English: from Old French, from medieval Latin transparent- 'visible through', from Latin transparere, from trans- 'through' + parere 'be visible'.
• late 16th century (in the Latin sense): from Latin translucent- … See more

When light strikes an object, it usually has not just a single frequency (or wavelength) but many. Objects have a tendency to selectively absorb, reflect or transmit light of certain frequencies. That is, one object might reflect green light while absorbing all other frequencies … See more

• Brillouin scattering
• Clarity meter
• Colloidal crystal See more

• Electrodynamics of continuous media, Landau, L. D., Lifshits. E.M. and Pitaevskii, L.P., (Pergamon Press, Oxford, 1984)
• Laser … See more

With regard to the absorption of light, primary material considerations include:
• At the electronic level, absorption in the ultraviolet and … See more

Optically transparent materials focus on the response of a material to incoming light waves of a range of wavelengths. Guided light wave … See more

Many marine animals that float near the surface are highly transparent, giving them almost perfect camouflage. However, transparency is difficult for bodies made of materials that have different refractive indices from seawater. Some marine animals such as See more