N

/ɛn/

Definitions of N

1. noun

   the 14th letter of the Roman alphabet
   synonyms: n

   type of:

   alphabetic character, letter, letter of the alphabet

   the conventional characters of the alphabet used to represent speech
2. noun

   the cardinal compass point that is at 0 or 360 degrees
   synonyms: due north, north, northward

   type of:

   cardinal compass point

   one of the four main compass points
3. noun

   a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
   synonyms: atomic number 7, nitrogen

   types:

   azote

   an obsolete name for nitrogen

   liquid nitrogen

   nitrogen in a liquid state

   type of:

   chemical element, element

   any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter

   gas

   a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
4. noun

   a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes
   synonyms: newton

   type of:

   force unit

   a unit of measurement of physical force
5. noun

   (of a solution) concentration expressed in gram equivalents of solute per liter
   synonyms: normality

   type of:

   relative quantity

   a quantity relative to some purpose