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Np

1 American  
Physics.
  1. neper; nepers.


Np 2 American  
Symbol, Chemistry.
  1. neptunium.


NP 3 American  

abbreviation

  1. Informal. (used in digital communications) no problem. Also np

  2. noun phrase.

  3. nurse-practitioner.


n.p. 4 American  

abbreviation

  1. net proceeds.

  2. new paragraph.

  3. nisi prius.

  4. no pagination.

  5. no place of publication.

  6. no protest.

  7. notary public.


N.P. 5 American  

abbreviation

  1. new paragraph.

  2. nisi prius.

  3. no protest.

  4. notary public.


NP 1 British  

abbreviation

  1. neuropsychiatric

  2. neuropsychiatry

  3. Also: np.  Notary Public

  4. noun phrase

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

np 2 British  

abbreviation

  1. printing new paragraph

  2. law nisi prius

  3. no place of publication

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Np 3 British  

symbol

  1. neper

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

symbol

  1. neptunium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
np 4 British  

abbreviation

  1. Nepal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Element 43 was later found and named technetium in 1937 and the symbol “Np” was used to describe neptunium in 1940.

From New York Times

For example, the transformation of U-235 used in nuclear reactors results in the formation of radioactive, long-lived Np-237 through a process of neutron capture, gamma emission, and beta decay.

From Scientific American