(past & past part. adulterated; pres. part. adulterating)
1.
Corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones. Synonyms:debase, dilute, load, stretch.
... take the Antimony out presently after the Solution, precipitate and adulterate it according to the custom of Alchymists, that it may not be corroded with its perfect Oil by the Water, and burnt ... — Of Natural and Supernatural Things • Basilius Valentinus Read full book for free!
... yields a long staple and is sometimes used to adulterate silk and other fibers. Some varieties of this cotton are harsh and wooly and are prized for ... — Textiles and Clothing • Kate Heintz Watson Read full book for free!