/ɡrætɑːʒ/ or /ɡrætɑːʒ/ (English), /ɡʁatɑːʒ/ (French)

Definitions

1. noun

A technique of scraping or rubbing away at a surface, typically with a grater or similar tool, to remove old or unwanted material.

“The conservator used the technique of grattage to remove the old varnish from the painting.”

2. noun

A scraping or rubbing away of something, especially the removal of old or unwanted material from a surface.

“The grattage of the old paint revealed a beautiful layer of wood beneath.”