n. 1. a. A system of figures or symbols used in a specialized field to represent numbers, quantities, tones, or values: musical notation. b. The act or process of using such a system. 2. A brief note; an annotation: marginal notations. [Latin notātiō, notātiōn-, from notātus, past participle of notāre, to note, from nota, note; see NOTE.] no·tation·al adj. |
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