sang-dragon
- Domaine
-
- imprimerie matériau d'impression
- Date
Terme :
- sang-dragon n. m.
Traductions
-
anglais
Date :Définition
Any of several resineous substances, mostly red in colour, used in powder form in photoengraving to protect parts of the metal from the acid in the etching process.
Note :
Soluble in alcohol, ether and volatile and fixed oils.
Terme :
- dragon's blood
Termes associés :
- gum dragon
- etching powder