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Z

 - 20 dictionary results
Z
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Z, z

  [zee or, especially Brit., zed; Archaic iz-erd]
Use Z in a Sentence
–noun, plural Z's or Zs, z's or zs.
1. the 26th letter of the English alphabet, a consonant.
2. any spoken sound represented by the letter Z or z, as in zero, zigzag, or buzzer.
3. something having the shape of a Z.
4. a written or printed representation of the letter Z or z.
5. a device, as a printer's type, for reproducing the letter Z or z.
Z
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Z

 
1. Astronomy. zenith distance.
2. zone.

Z

 
Symbol.
1. the 26th in order or in a series, or, when I is omitted, the 25th.
2. (sometimes lowercase) the medieval Roman numeral for 2000. Compare Roman numerals.
3. Chemistry, Physics. atomic number.
4. Electricity. impedance.

z

 
zone.

z

 
Symbol, Mathematics.
1. an unknown quantity or variable.
2. (in Cartesian coordinates) the z-axis.

z.

 
zero.

z's

  [zeez]
–noun (used with a plural verb) Slang.
sleep (often used with grab, catch, etc.): to grab some z's before dinner.
Also, Z's.

Origin:
1960–65; from the conventional use of a series of z's to represent snoring
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To Z
atomic number  
n.   Symbol Z Abbr. at. no.
The number of protons in an atomic nucleus.
im·ped·ance   (ĭm-pēd'ns)   
n.  

  1. Symbol Z A measure of the total opposition to current flow in an alternating current circuit, made up of two components, ohmic resistance and reactance, and usually represented in complex notation as Z = R + iX, where R is the ohmic resistance and X is the reactance.

  2. An analogous measure of resistance to an alternating effect, as the resistance to vibration of the medium in sound transmission.

z or Z   (zē)   
n.   pl. z's or Z's also zs or Zs

  1. The 26th letter of the modern English alphabet.

  2. Any of the speech sounds represented by the letter z.

  3. The 26th in a series.

  4. Something shaped like the letter Z.

  5. z's Slang Sleep.

Z 1  

  1. The symbol for atomic number.

  2. The symbol for impedance.

Z 2  
abbr.  Zulu time
Zulu time  
n.   Abbr. Z
See universal time.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Word Origin & History

Z 
not a native letter in O.E.; in Anglo-Fr. words it represents the "ts" sound (cf. Anglo-Fr. fiz, from L. filius, modern Fitz); late 13c. it began to be used for the voiced "s" sound and had fully taken that role by 1400. For letter name, see zed.
"Thou whoreson Zed, thou vnnecessary Letter." ["King Lear," II.ii.69]
Series of zs to represent a buzzing sound first attested 1852; zees "spell of sleep, a nap" is slang first recorded 1963, Amer.Eng. student slang.
Online Etymology Dictionary, © 2001 Douglas Harper
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Financial Dictionary

Z

A Nasdaq stock symbol specifying that it is a miscellaneous situation such as a depositary receipt, stub, additional warrant, or unit.

Investopedia Commentary

Nasdaq-listed securities have four or five characters. If a fifth letter appears, it identifies the issue as other than a single issue of common stock or capital stock.

See also: Nasdaq, Stock Symbol

Also spelled: Z

Investopedia.com. Copyright © 1999-2005 - All rights reserved. Owned and Operated by Investopedia Inc.
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Financial Dictionary

z

  1. Used in stock transaction tables in newspapers to indicate that the volume reported is the actual number of shares transacted, not the number of round lots: z150.

  2. Used in over-the-counter stock transaction tables to indicate that no representative quote is available: z.


Wall Street Words: An A to Z Guide to Investment Terms by David L. Scott.
Copyright © 2003. Published by Houghton Mifflin.
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Medical Dictionary

Main Entry: Z
Function: symbol
1 atomic number
2 impedance
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Computing Dictionary

Z
/zed/ 1. (After Zermelo-Fränkel set theory) A specification language developed by the Programming Research Group at Oxford University around 1980. Z is used for describing and modelling computing systems. It is based on axiomatic set theory and first order predicate logic. Z is written using many non-ASCII symbols. It was used in the IBM CICS project.
See also Z++.
["Understanding Z", J.M. Spivey, Cambridge U Press 1988].
2. A stack-based, complex arithmetic simulation language from ZOLA Technologies.
(1995-08-11)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Idioms & Phrases

z

see from soup to nuts (a to z).

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Abbreviations & Acronyms
Z

  1. atomic number

  2. impedance

  3. zenith distance

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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