N

/en/
Học thuật
Thân thiện
Definition
  1. Noun:
    • The 14th letter of the modern English alphabet: "n" is the fourteenth letter in the English alphabet, coming after 'm' and before 'o'. It is a consonant.
    • (Mathematics) An indefinite number: In mathematics, "n" is commonly used as a variable to represent an indefinite or unspecified number, often a natural number.
    • (Chemistry) Symbol for Nitrogen: In the periodic table, "N" is the chemical symbol for the element nitrogen.
    • (Physics) Symbol for Newton: In physics, "N" is the symbol for the newton, the SI unit of force.
    • (Navigation) Abbreviation for North: On a compass, "N" is the standard abbreviation for the cardinal direction north.
Usage Examples
  • Noun (Letter):
    • The word "noun" begins with the letter 'n'.
    • In the alphabet song, 'n' comes after 'm'.
  • Noun (Mathematics):
    • Let 'n' represent the number of participants.
    • The formula is valid for any positive integer n.
  • Noun (Chemistry):
    • The air we breathe is mostly composed of N₂ (nitrogen gas).
    • N is essential for plant growth.
  • Noun (Physics):
    • A force of 10 N was applied to the object.
  • Noun (Navigation):
    • The compass needle pointed to N.
Advanced Usage
  • "To the nth degree": To the utmost extent; to the greatest possible degree.
    • He is a perfectionist to the nth degree.
  • "Nth": Used to refer to an unspecified member in a series, often implying a large number.
    • This is the nth time I've asked you to be quiet.
Variants and Related Words
  • N/A (Abbreviation): An abbreviation for "Not Applicable" or "Not Available".
    • Please write "N/A" if the question does not apply to you.
  • nth (Adjective): Describing an unspecified ordinal number in a series.
    • For the nth time, the answer is no.
Synonyms
  • Variable: In mathematics, a symbol (like n) representing an unspecified number.
  • Nitrogen: The gaseous chemical element represented by N.
  • Newton: The unit of force represented by N.
  • North: The cardinal direction represented by N.
Related Phrases
  • N and ends: This is not a standard phrase for the single letter "n". The common idiom is "odds and ends".
  • From A to N: This is not a standard phrase. The common idiom is "from A to Z".
Related Idioms
  • Mind your P's and Q's: This idiom refers to being careful about one's behavior. It is listed here only as a related concept about letters, not as a direct idiom for "n". There is no major common idiom specifically for the single letter "n".
Noun
  1. the 14th letter of the Roman alphabet
  2. (of a solution) concentration expressed in gram equivalents of solute per liter
  3. 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
  4. the cardinal compass point that is at 0 or 360 degrees
  5. 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

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