remainder

The word “remainder” means whatever is left over once part of something has been taken away or used up. In plain terms, what's left over — whether it's time, a number in a division sum, or unsold books.

“Remainder” is pronounced rih-MAYN-duh (/ɹəˈmeɪndɚ/ in IPA).

Here is “remainder” used in a sentence: “She spent the remainder of her afternoon answering emails.”

Words with a similar meaning to “remainder” include residue, rest, lave, surplus, leavings and leftover.

The opposite of “remainder” — its antonyms — are dearth, deficiency, deficit, shortage and undersupply.

“Remainder” is a noun.

The word “remainder” comes from Anglo-Norman. From Anglo-Norman remaindre, an infinitive used as a noun meaning "that which stays behind.".

“Remainder” is a fairly common word in modern English, usually learned at around the B1 level.

They mean the same thing — whatever is left over once part of something has been taken away — but they differ in register. "The rest" is the everyday choice, while "the remainder" is more formal and common in written, mathematical, or legal contexts.

In arithmetic, the remainder is the number left over when one number does not divide evenly into another. For example, 17 divided by 5 gives 3 with a remainder of 2, because 5 goes into 17 three times with 2 left over.

A remainder is simply whatever is left after part of something is removed or used up, with no suggestion about its size or condition. A remnant is typically a small surviving piece or trace of something that is mostly gone, such as a remnant of fabric or the remnants of an empire.

A remaindered book is unsold stock that a publisher sells off cheaply, often after demand has fallen. This use comes from the sense of remainder meaning leftover, unsold copies of a book or other goods.