Definition of rare metals:
(adj) :
pertaining to a distinct
variety of organism; made from a single specific
variety (especially of grapes in wine)
(n) :
a
wine made primarily from or exclusively from a single variety of grape, which carries the name of that grape; by extension, a
coffee made primarily from or exclusively from a single variety of coffee bean
"the varietal Merlot has rich red color and a robust fruity taste. Cabernet Sauvignon is a varietal that descended from Cabernet Franc and Sauvignon Blanc."
Definition of rare metals:
(adj) :
pertaining to a distinct
variety of organism; made from a single specific
variety (especially of grapes in wine)
(n) :
a
wine made primarily from or exclusively from a single variety of grape, which carries the name of that grape; by extension, a
coffee made primarily from or exclusively from a single variety of coffee bean
"the varietal Merlot has rich red color and a robust fruity taste. Cabernet Sauvignon is a varietal that descended from Cabernet Franc and Sauvignon Blanc."