non adultéré

OBS: adultérer : Altérer la pureté de quelque chose, falsifier, gâter. [Par exemple :] Adultérer des médicaments; adultérer des monnaies (par des alliages qui dépassent le taux légal).

CONT: The grade of the (gold) ore at the 1000-ft level was 0.59 oz uncut or 0.33 oz cut across a width of 4.2 feet.
CONT: The uncut, undiluted grade of four areas examined in the southeast section.
OBS: cut: To lower an existing grade.