notation

Etymology

From Latin notātiō.

noun

1. (uncountable) The act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters.
2. (uncountable) A system of characters, symbols, or abbreviated expressions used in an art or science or in mathematics or logic to express technical facts or quantities.
   Finally, using Devanagari, and native scripts more generally, has the benefit of elevating indigenous scripts and languages within the context of English-language lexicography, rather than foregrounding, or purely relying on, western linguistic notations which cater solely to a monolingual English audience. 2018, James Lambert, “Anglo-Indian slang in dictionaries on historical principles”, in World Englishes, volume 37, page 255
   This section lists all algebraic notation used in this book. (Using notations would be incorrect).
   The notations used in the two books differed. (Using notation would be incorrect).
3. (countable) A specific note or piece of information written in such a notation.
   She made a notation in the margin of the book.