A left-over part is commonly referred to as a "remainder." In various contexts, it can also be called a "residue," "surplus," or "excess," depending on the specific situation. For example, in mathematics, the term "remainder" is used in division, while in cooking, it might simply be called leftovers.
It is called the remander. Such as, the remander number.
A pile of shelves from many leftover meals is often referred to as a "food waste" or "leftover pile." In some contexts, it may also be called a "scrap heap" or "food scraps." Properly managing such waste is important for reducing environmental impact and can involve composting or donating edible leftovers.
offcuts
It means the remainder if any when numbers are divided as for example 49 divided by 6 = 8 with a remainder of 1 leftover
add a decimal
A leftover piece of material is commonly referred to as a scrap.
Remnants.
A part leftover after use is a remnant.
leftover stew
It is called the remander. Such as, the remander number.
millen
Leftover material is called scrap.
The burnt.
asteroids
hey
"Game Called Life" by Leftover Cuties
Small leftover pieces of cigarette are called cigarette butts.