R

radial lead A lead extending out of the side of a component rather than from the end. The opposite lead configuration is the axial lead.

radiant heat transfer The electromagnetic radiation emitted by one body due to the temperature difference between it and another body, the radiation being proportional to the difference.

radiation, focused infrared Infrared concentrated on a point or line by a backup reflector.

radiation, infrared Thermal radiation emitted in the infrared wavelength region (0.7–1000 microns) of the electromagnetic spectrum.

radiation, long wave IR Infrared occurring between the wavelengths of 5–100 microns.

radiation, medium wave IR Infrared occurring between the wavelengths of 2.5–5 microns.

radiation, near IR Infrared ...

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