Definitions for "Impurity"
The condition or quality of being impure in any sense; defilement; foulness; adulteration.
That which is, or which renders anything, impure; foul matter, action, language, etc.; a foreign ingredient.
Lack of ceremonial purity; defilement.
an unwanted chemical substance that is present within another substance or mixture
a substance that causes another substance to be contaminated.
any component which causes another substance to become contaminated
Keywords:  collier, remastered, pat, album, studio
Impurity is the 5th studio album of British rock band New Model Army. It was released in 1990 and re-released in 2005 as a limited edition remastered 2-CD-set. It was produced by Pat Collier and the band themselves.
Any component present in the intermediate or API (Active Pharmaceutical Ingredient) that is not the desired entity. It may be either process or product related.
By-product of the manufacture or storage of a pesticide. Impurities require definition, evaluation and regulation (if toxicologically significant).
It is an item present but not part of the integral structure of a mineral and also sometimes changes the optical properties of the mineral.
An item present in a mineral which is not part of its integral structure, and may change its optical properties, such as color.
An element that is allowed into a metal or alloy. Impurities slightly change the properties of the material in some circumstances and can completely damage it in others.
worthless material that should be removed; "there were impurities in the water"