n.1 a the representation of numbers, quantities, pitch and duration etc. of musical notes, etc. by symbols. b any set of such symbols.
2 a set of symbols used to represent chess moves, dance steps, etc.
3 US a a note or annotation. b a record.
4 scale of notation (see SCALE(3)).
Derivatives:
notational adj.
Etymology: F notation or L notatio (as NOTE)