Also known as: PB-
PB has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of PB in Governmental & Military.
Chemical symbol Pb. Very soft, bluish-white metal; highly malleable and ductile; poor conductor of electricity, but good noise-dampening material; resistant to corrosion and radiation. Obtained from galena ore. Major end-use is storage batteries, which accounts for 60% of world lead consumption. Also used in ammunition, but has declining use in paints, plumbing equipment and cable coverings because of its toxicity.
Governmental & MilitaryOral commentary on the observed and forecast weather conditions along a route given by a forecaster to the pilot, navigator, or other air crew member prior to takeoff.
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