You searched for: “fiberoptics
Flexible material of glass, or plastic, that transmits light along its course by reflecting it from the side or wall of the fiber.

Use of this principle permits transmission of light, and therefore visual images, around sharp curves and corners.

Devices that use fiberoptic materials are useful in endoscopic examinations.

This entry is located in the following units: fibro-, fibr-, fiber- + (page 2) -ics, -tics [-ac after i] (page 16)