Definition: The word "addnl" means something added or added to another. It can also mean a quantity that is greater than one, in this case, the number of people, items, etc. The term was first used by French mathematician Gaspard Monge in 1675 and later expanded into its current meaning in English-speaking usage. The definition of "addnl" as a noun can be further broken down: - The root of the word is 'add', which means to add something. It comes from the Latin word meaning "to put together", referring to the addition or incorporation of a new thing into another object, such as a collection of objects or ingredients. - "Noun" refers to any person, item, quantity, etc., that has been added or added to a larger unit, such as a person who has become friends with someone else. The term is used in various contexts, including mathematical definitions like adding two numbers together, which can be understood as the addition of one number and another. - "Noun" can also refer to other terms within the context of mathematics or science, such as an object that has been combined with other objects or substances into a whole or new thing. For example, in chemistry, if we combine two molecules (like water and nitrogen) to form ammonia, this would be considered adding two parts together. In summary, "addnl" means something added to another, and it can also refer to the addition of a quantity greater than one, like people or items. The term has been expanded in various contexts, such as mathematics and science, to encompass various forms of addition.

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