subtract

/səb'trækt/

Thân thiện

The student uses a calculator to subtract one number from another.

Definition

1. Verb:
   • To take away (a number or amount) from another to calculate the difference: The basic mathematical operation of finding the difference between numbers.
   • To remove or take away (something) from a whole: To deduct or withdraw a part from a total.

Examples of Usage

• Verb:
  • If you subtract 5 from 10, you get 5.
  • Please subtract the cost of shipping from the total invoice amount.
  • The system will automatically subtract the fee from your account balance.

Advanced Usage

• "Subtract from": This is the standard prepositional phrase used with the verb.
  • The teacher asked us to subtract a quarter of the total from our calculations.
• Used in passive voice:
  • The value was subtracted from the final sum.
• Figurative use:
  • His rude behavior subtracted from the enjoyment of the evening. (Meaning it diminished or took away from the enjoyment.)

Variants and Related Words

• Subtraction (n): The process or operation of subtracting.
  • The children are learning addition and subtraction.
• Subtractive (adj): Tending or serving to subtract.
  • The process has a subtractive effect on the total volume.

Synonyms

• Deduct: To take away (an amount or part) from a total.
• Remove: To take away.
• Withdraw: To take back or away.

Antonyms

• Add: To combine numbers or amounts to find a total.
• Increase: To make or become greater in size or amount.

Related Phrases

• Subtract out: To remove or exclude by subtraction (common in technical/mathematical contexts).
  • After you subtract out the outliers, the data looks normal.

Học thuật

Verb

1. take off or away
   • this prefix was subtracted when the word was borrowed from French
2. make a subtraction
   • subtract this amount from my paycheck

Từ đồng nghĩa

• deduct
• take off