Pb


Pb
symb. Chem. the element lead.
Etymology: L plumbum

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noun
1. 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

Syn: ↑lead, ↑atomic number 82
Hypernyms: ↑metallic element, ↑metal
Hyponyms: ↑hard lead, ↑antimonial lead, ↑pig lead
Substance Holonyms: ↑galena, ↑cerussite, ↑white lead ore
2. a unit of information equal to 1000 terabits or 10^15 bits
Syn: ↑petabit, ↑Pbit
Hypernyms: ↑computer memory unit
Part Holonyms: ↑exabit, ↑Ebit, ↑Eb
Part Meronyms: ↑terabit, ↑Tbit, ↑Tb

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abbreviation
1. passbook
2. passed ball
3. patrol boat
4. patrol bomber
5. permanent bunkers
6. phonetically balanced
7. piebald
8. pocket book
9. prayer book
10. privately bonded

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power brakes.

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abbrev
1. Pharmacopoeia Britannica
2. Plymouth Brethren

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Pb (no period),
P.B.,
1. British Pharmacopoeia (Latin Pharmacopoeia Britannica).
2. Prayer Book.

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abbr.
British Pharmacopoeia
Origin:
Latin Pharmacopoeia Britannica
Prayer Book
petabyte

Useful english dictionary. 2012.