19

Học thuật
Thân thiện
Definition
  1. Noun:

    • The cardinal number that is the sum of eighteen and one: It represents a specific quantity, following eighteen and preceding twenty.
  2. Adjective:

    • Being one more than eighteen: Used to describe a quantity of exactly nineteen items or units.
Examples of Usage
  • Noun:
    • The answer to the math problem is 19.
    • She is turning 19 next week.
  • Adjective:
    • There are nineteen students in the classroom.
    • He scored nineteen points in the game.
Advanced Usage
  • As a label or identifier: Often used in names, titles, or codes (e.g., , , ).
    • The train departs from track 19.
  • In historical or cultural references: Can denote a century (the 1900s) or a specific year when combined with other numbers.
    • The style is reminiscent of the nineteen twenties.
Variants and Related Words
  • Nineteenth (19th): The ordinal number corresponding to nineteen.
    • This is her nineteenth birthday.
  • Nineteen hundred (1900): The specific year one thousand nine hundred.
Synonyms
  • XIX: The Roman numeral for nineteen.
Adjective
  1. being one more than eighteen
Noun
  1. the cardinal number that is the sum of eighteen and one