Definition of "notation"

notation

/noʊˈteɪʃən/

noun
countable and uncountable, plural notations
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.
  Quotations
  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
3. (countable) A specific note or piece of information written in such a notation.