1. A painting technique in which pigments are applied directly onto freshly laid, wet plaster on a wall or ceiling, becoming an integral part of the wall surface as the plaster dries
Michelangelo's Sistine Chapel ceiling is a masterpiece of true fresco.
O teto da Capela Sistina de Michelangelo é uma obra-prima do afresco verdadeiro.
2. The artwork produced by this technique, characterized by its permanence and the artist's need to work quickly before the plaster dries
The true fresco technique requires great skill and speed.
A técnica do afresco verdadeiro exige muita habilidade e rapidez.