| Pb |
lead: a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey; "the children were playing with lead soldiers"
출처: wordnet.princeton.edu/perl/webwn
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| Pb |
Lead is a chemical element in the periodic table that has the symbol Pb (L. Plumbum) and atomic number 82. A soft, heavy, toxic and malleable poor metal, lead is bluish white when freshly cut but tarnishes to dull gray when exposed to air. Lead is used in building construction, lead-acid batteries, bullets and shot, and is part of solder, pewter, and fusible alloys. Lead has the highest atomic number of all stable elements. ...
출처: en.wikipedia.org/wiki/Pb
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| Pb |
A heavy metal that is hazardous to health if breathed or swallowed. Its use in gasoline, paints, and plumbing compounds has been sharply restricted or eliminated by federal laws and regulations. (See: heavy metals.)
출처: www.epa.gov/OCEPAterms/lterms.html
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| Pb |
Polybutylene. A flexible plastic tubing used in water supply systems where allowed by code. Also, polished brass finish on faucets.
출처: www.alpha-plumbing.com/plumbing-terminology-p.htm
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| PBI |
Exposure of part of the body to external radiation.
출처: www.eh.doe.gov/ohre/roadmap/achre/glossary.html
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