"" . . . ""@it . ""@es . ""@de . . "SUBSTANCE" . . "" . . "substance (by nature)"@en . "validated" . "A matter or material that has a distinct existence, composition, and properties, occurring naturally or as a result of human activity."@en . "Substance biologique ou chimique à l'état naturel ou le résultat d'un procédé de fabrication."@fr . "substance (par nature)"@fr .