"remainder" means what is left over after something is taken away or divided into equal parts. It refers to the part that is left behind or the extra amount that couldn't be evenly distributed or used up. Full definition
Continued participation will require payment for remainder of the series up front. (roperpt.com)
If it is, just cover with foil for remainder of cooking time. (laaloosh.com)
In a food processor pulse together flour, butter, shortening, and salt until most of mixture resembles coarse meal with remainder in small (roughly pea - size) lumps. (epicurious.com)