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chemical |
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chemical any substance used in or resulting from a reaction involving changes to atoms or molecules, especially one derived artificially for practical use chemical [′kem·i·kəl] (chemistry) Related to the science of chemistry. A substance characterized by definite molecular composition. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | ||
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| * DuPont acquires Shell Agricultural Chemical Co's U. Agricultural Chemical Usage, California Vegetable
Summary 1990. Soil Teq filed suit against Tyler in December, 1993,
claiming patent infringement in Tyler's Flex Air VR, a global
positioning system-driven agricultural chemical applicator. |
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