notation

noun

no·​ta·​tion nō-ˈtā-shən 

1

: annotation, note

2

a

: the act, process, method, or an instance of representing by a system or set of marks, signs, figures, or characters

b

: 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

notational

nō-ˈtā-sh(ə-)nəl 

adjective

Synonyms

• jotting
• memo
• memorandum
• note

Examples of notation in a Sentence

a mathematical notation for computer programming

he had scribbled his notation so quickly I couldn't read it

Recent Examples on the Web

Legend has it that the name Mad River came from a notation Josiah Gregg made on a map in the late 1840s. —Eureka Times-Standard, Mercury News, 13 June 2025

But, in truth, the system Argentina played often defied the usual notation. —Michael Cox, New York Times, 26 Mar. 2025

The stretcher bar depth in Baer’s notations is clearly tied to the size of the painting’s frontal plane. —Sarah K. Rich, Artforum, 1 Apr. 2025

This includes tattoos that denote loyalty to the gang (four points); insignia, logos, notations, drawings, or dress that show allegiance to it (another four); and social-media posts that include its symbols (two more). —Oriana Van Praag, New Yorker, 28 May 2025

Word History

Etymology

Latin notation-, notatio, from notare to note

First Known Use

1584, in the meaning defined at sense 1

Phrases Containing notation

• positional notation
• postfix notation
• reverse Polish notation
• scientific notation

Rhymes for notation

• ablation
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation
• collation

Kids Definition

notation

noun

no·​ta·​tion nō-ˈtā-shən 

1

: note entry 2 sense 3a

make notations on a paper

2

: the act of noting

3

: a system of marks, signs, figures, or characters used to give specified information

musical notation

scientific notation

notational

-shnəl 

-shən-ᵊl

adjective