N (EN)

letter, interjection, symbol

letter “N”

1. the uppercase form of the letter "n"
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   Nancy wrote her name with a capital N at the beginning.

interjection “N”

1. indicates "no" in choices
   Do you want to go to the park today? N.

symbol “N”

1. a symbol for North
   The compass was pointing towards the N symbol.
2. symbol for a knight in chess
   In the chess game, N to C3 put my opponent's queen in danger.
3. symbol for nitrogen in chemistry
   The formula for ammonia is NH3.
4. symbol for newton, the SI unit of force
   The apple fell from the tree with a force of about 1 N.
5. in biochemistry, a shorthand for the amino acid asparagine
   In the protein sequence, "N" stands for asparagine.
6. the electron number in physics
   In the experiment, the scientists calculated that N = 6 for this particular atom.
7. Neapolitan chord in music
   In the key of C major, the sequence I - N - V is equivalent to C - Db - G.