re ‧ main ‧ der /rɪˈmeɪndə $ -ər/ BrE AmE noun
[ Word Family: noun : the remainder, ↑ remainder , ↑ remains ; verb : ↑ remain ; adjective : ↑ remaining ]
[ Date: 1300-1400 ; Language: Anglo-French ; Origin: Old French remaindre ; ⇨ ↑ remain ]
1 . the remainder the part of something that is left after everything else has gone or been dealt with SYN the rest :
The remainder must be paid by the end of June.
the remainder of
He spent the remainder of his police career behind a desk.
2 . [countable]
a) the number you get when you subtract one number from another number
b) the number that is left when you divide one number by another number:
Fifteen divided by four gives you a remainder of 3.