remainder

• 指在移除、使用或处理其他部分后剩下的东西；也可指数学除法或减法中的余数，或布料等出售或使用后剩下的部分。

A noun referring to something that is left over after other parts have been removed, used, or dealt with. It can also refer to the leftover amount in a mathematical division or subtraction, or a piece of cloth remaining after the rest has been sold or used.

1. Remaining partB1formal

   The part of something that is left over after the rest has been used or dealt with.

   剩余部分

   • She ate half the cake and saved the remainder for later.
   • The remainder of the money will be donated to charity.
   • We spent the remainder of the day relaxing at home.

   同义词balanceexcessremainsremnantresiduerestsurplus

2. MathematicsB2formalscientific

   The amount left over after division when one number does not divide exactly by another.

   余数

   • When you divide 10 by 3, the quotient is 3 and the remainder is 1.
   • The remainder of 17 divided by 5 is 2.
   • In modular arithmetic, we often focus on the remainder.

   同义词residue