NP

Dictionary.com Unabridged

Np

Physics.
neper; nepers.

Np

Symbol, Chemistry.

N.P.

1.
new paragraph.
2.
nisi prius.
3.
no protest.
4.
notary public.

n.p.

1.
net proceeds.
2.
new paragraph.
3.
nisi prius.
4.
no pagination.
5.
no place of publication.
6.
no protest.
7.
notary public.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
np1
 
abbreviation for
1.  printing new paragraph
2.  law nisi prius
3.  no place of publication

np2
 
the internet domain name for
Nepal

Np
 
symbol for
1.  neper
 
the chemical symbol for
2.  neptunium

NP
 
abbreviation for
1.  neuropsychiatric
2.  neuropsychiatry
3.  Also: np Notary Public
4.  noun phrase

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

Np
The symbol for the element neptunium.

NP abbr.
nurse practitioner neuropsychiatry

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
Np  
The symbol for neptunium.
neptunium   (něp-t'nē-əm)  Pronunciation Key 
Symbol Np
A silvery, radioactive metallic element of the actinide series. It occurs naturally in minute amounts in uranium ores and is produced artificially as a byproduct of plutonium production. Its longest-lived isotope is Np 237 with a half-life of 2.1 million years. Atomic number 93. See Periodic Table.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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FOLDOC
Computing Dictionary

NP definition

complexity
nondeterministic polynomial time.
[Jargon File]

np definition

networking
The country code for Nepal.
(1999-01-27)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
n.p.
  1. no pagination

  2. no place [of publication]

Np
neptunium
NP
  1. neuropsychiatry

  2. notary public

  3. not palpable

  4. noun phrase

  5. number of pitches

  6. nurse practitioner

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

np

radioactive chemical element of the actinoid series of the periodic table, first transuranium element to be artificially produced, atomic number 93. Though traces of neptunium have subsequently been found in nature, where it is not primeval but produced by neutron-induced transmutation reactions in uranium ores, Edwin M. McMillan and Philip H. Abelson first found neptunium in 1940 after uranium had been bombarded by neutrons from the cyclotron at Berkeley, Calif. Neptunium has been produced in weighable amounts in breeder reactors as a by-product of plutonium production from uranium-238 (about one part neptunium is produced for every 1,000 parts plutonium). All neptunium isotopes are radioactive; the stablest is neptunium-237, with a half-life of 2,140,000 years, and among the most unstable is neptunium-232, with a half-life of 13 minutes.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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