|1.||(tr) to debase by adding inferior material: to adulterate milk with water|
|2.||adulterated; debased or impure|
|3.||a less common word for adulterous|
|[C16: from Latin adulterāre to corrupt, commit adultery, probably from alter another, hence to approach another, commit adultery]|
adulteration a·dul·ter·a·tion (ə-dŭl'tə-rā'shən)
The alteration, especially the debasement, of a substance by deliberately adding something not ordinarily a part of it.