contaminate

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contaminate

[kən′tam·ə‚nāt]
(science and technology)
To render unfit or to soil by the introduction of foreign or unwanted material.
References in periodicals archive ?
Frequently, immersion of hospitalized patients contaminates the tub environment, including the tub water, drains, agitators, floors, and walls.
Second, it ignores the fact that MTBE, unlike the more than 400 other elements in gasoline, moves more quickly through soil, contaminates more water in a shorter amount of time, and is more difficult to remove from water than the other elements composing gasoline.
Festa also noted that the International SEMATECH contract compliments an agreement between Beta Squared and the University of California at Los Angeles (UCLA), in which both organizations agreed to jointly research and develop advanced plasma technologies for the purpose of removing organic contaminates from semiconductor wafers and advanced masks.

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