The most popular vinegar recipe is full-strength, undiluted vinegar.
celebrate who you are in a very undiluted manner.
The amount of acid in undiluted vinegar may be too harsh for the pot and cause it's markings to dissolve.
This concentrated flavor is the result of allowing the lobster to cook in its own juices, undiluted by water.
Some bitters, although possessing tonic properties, may be regarded as beverages pure and simple, notwithstanding the fact that they are seldom consumed in an undiluted state; others again, are obviously medicinal preparations and should be treated as such.