subtraction

/səb'trækʃn/

Thân thiện

The student solves a subtraction problem on the chalkboard.

Definition

1. Noun:
   • The act or process of removing something from a whole: "Subtraction" refers to the action of taking away a part from a total amount or quantity.
   • A basic arithmetic operation: In mathematics, "subtraction" is the operation of finding the difference between two numbers or quantities, where one is taken away from another.

Examples of Usage

• General Act of Removing:

  • The subtraction of funds from the budget forced a change in plans.
  • The subtraction of key players from the team weakened its performance.

• Mathematical Operation:

  • The teacher taught the children simple subtraction using apples.
  • In the equation 10 - 4 = 6, the minus sign indicates subtraction.

Advanced Usage

• Conceptual Subtraction: Used metaphorically to describe a reduction in non-physical qualities.
  • The subtraction of joy from his life was evident after the loss.
• In Computing: Refers to an operation that decreases a value.
  • The program performs a subtraction of one from the counter each cycle.

Variants and Related Words

• Subtract (verb): To take away a number or amount from another.
  • Please subtract the expenses from the total revenue.
• Subtractive (adjective): Tending or serving to subtract; involving subtraction.
  • The process has a subtractive effect on the overall quality.

Synonyms

• Deduction: The action of taking away an amount from a total.
• Removal: The act of taking something away.
• Withdrawal: The action of taking something back or out.

Antonyms

• Addition: The process of calculating the total of two or more numbers or amounts.

Related Phrases and Concepts

• Minus sign (-): The symbol used to denote subtraction.
  • The minus sign shows that subtraction is required.
• Difference: The result of a subtraction operation.
  • The difference between 15 and 9 is 6.
• Subtraction problem: A mathematical question involving subtraction.
  • She solved the subtraction problem quickly.

Học thuật

Noun

1. the act of subtracting (removing a part from the whole)
   • he complained about the subtraction of money from their paychecks
2. an arithmetic operation in which the difference between two numbers is calculated
   • the subtraction of three from four leaves one
   • four minus three equals one

Từ đồng nghĩa

• deduction
• minus