Examples from the Web for adulteration
Facing or coloring is also an adulteration, since it is done to give poor or damaged tea a brighter appearance.Human Foods and Their Nutritive Value|Harry Snyder
The adulteration of guano is carried to a great extent in England, and probably will be in this country.Guano|Solon Robinson
It is always easy to discover the proportion of the adulteration.A Dictionary of Arts, Manufactures and Mines|Andrew Ure
The best mode of detecting this adulteration is by the microscope.
It robs society by the adulteration of products, pushed at the present day beyond all bounds.Socialism|John Stuart Mill