SHIELD

Shield (screen) A screen to shield a rain-gauge from the influence of the wind, or to shield a thermometer against insolation.

(1) System High Energy Laser Demonstration. (2) Silicon Hybrid Extrinsic Long-Wavelength Detection.

1. A housing, screen, sheath, or cover that substantially reduces the coupling of electric, magnetic, or electromagnetic fields into or out of circuits or transmission lines. 2. A protective cover that prevents the accidental contact of objects or persons with parts or components operating at hazardous voltage levels.