Reference Terms
from Wikipedia, the free encyclopedia

Pesticide

The Environmental Protection Agency (EPA or USEPA) defines a pesticide as "any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any pest".

A pesticide may be a chemical substance or biological agent (such as a virus or bacteria) used against pests.

Note:   The above text is excerpted from the Wikipedia article "Pesticide", which has been released under the GNU Free Documentation License.
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July 5, 2015

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updated 12:56 pm ET