Glossary Term Definition
In Greek typography, the traditional accent system using multiple diacritical marks including the acute, grave, circumflex, smooth and rough breathings, and iota subscript.
Definition
In Greek typography, the traditional accent system using multiple diacritical marks including the acute, grave, circumflex, smooth and rough breathings, and iota subscript. Polytonic Greek is essential for setting classical and scholarly texts. It was the standard system until 1982, when monotonic was officially adopted for modern Greek.
Source
No access — Robert Bringhurst — p. 328:
The traditional accent system using multiple diacritical marks.