Physics.
- neper; nepers.
Symbol, Chemistry.
- neptunium.
- noun phrase.
- nurse-practitioner.
- net proceeds.
- new paragraph.
- nisi prius.
- no pagination.
- no place of publication.
- no protest.
- notary public.
- new paragraph.
- nisi prius.
- no protest.
- notary public.
abbreviation for
- printing new paragraph
- law nisi prius
- no place of publication
the internet domain name for
- Nepal
symbol for
- neper
the chemical symbol for
- neptunium
abbreviation for
- neuropsychiatric
- neuropsychiatry
- Also: np Notary Public
- noun phrase
- The symbol for the elementneptunium
abbr.
- nurse practitioner
- neuropsychiatry
- The symbol for neptunium.
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.