Wiktionary
single malt
n. 1 A liquor made only from the malted barley of a single distillery, unblended with other liquors. 2 Short for single malt whisky, or single malt scotch.
Usage examples of "single malt".
Gingko biloba was all very well and good when you were confronting the ordinary headaches of day-to-day life, but when it came to dealing with one's children there was no substitute for single malt scotch.
An idea somehow forced its way through a bottle and a half of single malt.
The Conjurer flicked his finger and a white fireball flew from his hand into the pool of single malt.
As for the peat that was involved somewhere in the manufacturing process of a decent single malt, well, you couldn't get any more back-to-Mother-Earth than that unless you got down on all fours and sucked topsoil.