40

Học thuật
Thân thiện
Definition

  1. Noun:

    • The cardinal number that is the product of ten and four: The natural number following thirty-nine and preceding forty-one. It is represented by the Arabic numeral 40 or the Roman numeral XL.

  2. Adjective:

    • Being ten more than thirty: Quantifying an amount or position in a sequence equal to four tens.
Usage Examples
  • Noun:
    • The recipe calls for 40 grams of sugar.
    • He ran 40 miles last week.
  • Adjective:
    • She has 40 books on the shelf.
    • The 40-year-old tree was cut down.
Advanced Usage
  • "40 winks": A short nap or light sleep.
    • I'm just going to catch 40 winks before the meeting.
  • Used in measurement and time: Commonly used with units.
    • A 40-hour work week is standard.
    • The temperature dropped to 40 degrees Fahrenheit.
Variants and Related Words
  • Fortieth (adj., n.): The ordinal form corresponding to the number 40.
    • This is her fortieth birthday.
  • XL: The Roman numeral for 40.
    • Super Bowl XL was held in 2006.
Synonyms
  • Forty: The word form of the number.
  • Four tens: A descriptive phrase for the quantity.
  • Two score: An archaic or literary term (a 'score' is twenty).
Related Phrases
  • Life begins at 40: A proverb suggesting that middle age can be a time of new opportunities and happiness.
    • He started a new career, proving that life begins at 40.
  • 40 acres and a mule: A historical phrase referring to unfulfilled promises of land redistribution after the American Civil War.
    • The concept of 40 acres and a mule remains a powerful symbol.
Idioms
  • To be on the right side of 40: To be younger than forty years old.
    • She's still on the right side of 40, full of energy.
  • To hit 40: To reach the age of forty.
    • When he hit 40, he decided to run a marathon.
Adjective
  1. being ten more than thirty
Noun
  1. the cardinal number that is the product of ten and four

Từ đồng nghĩa

Từ tương tự

Từ chứa "40"

Từ có nhắc đến "40"