substract

substract — verb

  • substractpresent simple I / you / we / they
  • substracts3rd person singular
  • substracting-ing form
  • substractedpast simple

1. used as a nonstandard spelling of subtract, especially in mistakes, notes, or in

1.動詞及物 / 不及物B1
釋義

used as a nonstandard spelling of subtract, especially in mistakes, notes, or informal writing about taking one number or amount away from another

例句

The worksheet said, "Substract 8 from 21," so Mina copied the typo.

quoted nonstandard spelling in written instructions

Owen wrote substract in his notebook, then the teacher corrected it to subtract.

substract corrected to standard subtract

同義詞
  • subtract

    the standard spelling and the form learners should use in normal writing

  • deduct

    more formal; common for money, fees, or amounts in financial contexts

  • take away

    plainer everyday wording, especially in early math teaching

反義詞
  • add

    the opposite operation, where you put numbers or amounts together

文法句型

substract + number + from + number

substract + cost/amount

substract (no object)

用法筆記

Use the standard spelling subtract in school, work, and formal writing. Substract is usually treated as a spelling error, even when the meaning is clear.

常見錯誤

❌Please substract 9 from 20.
✅Please subtract 9 from 20.
💡In standard English, subtract is the correct spelling.
❌I substracted the tax from the total.
✅I subtracted the tax from the total.
💡The standard verb is subtract, so its past form is subtracted.