Leftovers are the uneaten edible remains of a meal after everyone has finished eating.
A meal is an eating occasion that takes place at a certain time and includes specific, prepared food, or the food eaten on that occasion.
Eating is the ingestion of food, typically to provide a heterotrophic organism with energy and to allow for growth.
How To Level Up Your Leftovers • Tasty by Tasty
Food scraps that are not directly edible are not regarded as leftovers, but rather as waste material.
I ate nothing but LEFTOVERS for 24 HOURS *bad idea* by MattDoesFitness
Some only use "leftovers" to refer to extra food that constitutes a meal by itself, not just portions of the original.
The ultimate use of leftovers depends on where the meal was eaten, preferences of the diner, and the prevailing social culture.
Culture is the social behavior and norms found in human societies.
People often save home cooking leftovers to eat later.
This is facilitated by the private environment and convenience of airtight containers and refrigeration.
Refrigeration is a process of removing heat from low temperature reservoir and transferring it to high temperature reservoir.
People may eat some leftover food cold from the refrigerator, or reheated it in a microwave or conventional oven, or mix it with additional ingredients and recooked to make a new dish.
An oven is a thermally insulated chamber used for the heating, baking, or drying of a substance, and most commonly used for cooking.
The word "ort", meaning a small scrap of food left after a meal is completed, is not commonly heard in conversation, but is frequently encountered in crossword puzzles.
A crossword is a word puzzle that usually takes the form of a square or a rectangular grid of white-and black-shaded squares.