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Pb

PRIMARY MEANINGS OF: Pb

1
n
a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey
2
n
a unit of information equal to 1000 terabits or 10^15 bits
FULL DEFINITIONS OF: Pb
1

n a soft heavy toxic malleable metallic element; bluish white when freshly cut but tarnishes readily to dull grey

Synonyms:
atomic number 82, lead
Types:
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hard lead
unrefined lead that is hard because of the impurities it contains
antimonial lead, hard lead
a lead alloy that contains about 5% antimony
pig lead
lead that is cast in pigs
grid metal
a kind of hard lead that is used for grids in storage batteries
Type of:
metal, metallic element
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
2

n a unit of information equal to 1000 terabits or 10^15 bits

Synonyms:
Pbit, petabit
Type of:
computer memory unit
a unit for measuring computer memory
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