PB

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

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noun

1. a unit of information equal to 1000 terabytes or 10^15 bytes

• Syn: ↑petabyte

• Hypernyms: ↑computer memory unit

• Part Holonyms: ↑exabyte, ↑EB

• Part Meronyms: ↑terabyte, ↑TB

2. a unit of information equal to 1024 tebibytes or 2^50 bytes

• Syn: ↑petabyte, ↑pebibyte, ↑PiB

• Hypernyms: ↑computer memory unit

• Part Holonyms: ↑exabyte, ↑exbibyte, ↑EB, ↑EiB

• Part Meronyms: ↑terabyte, ↑tebibyte, ↑TB, ↑TiB

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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),

lead (chemical element).

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