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derivative |
Also found in: Legal, Financial, Encyclopedia, Wikipedia, Hutchinson | 0.02 sec. |
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derivative /de·riv·a·tive/ (dĕ-riv´ah-tiv) a chemical substance produced from another substance either directly or by modification or partial substitution.
derivative [dəriv′ətiv] Etymology: L, derivare, to turn away anything that originates in another substance or object. For example, organs and tissues are derivatives of the primordial germ cells. Chemical derivatives may be produced to confirm identification of a compound or to aid in the analysis of a compound. derivative (dēriv´ n a chemical substance that is the result of a chemical reaction. 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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Medical Etiology, Assessment, and Treatment of Chronic Fatigue and Malaise: Clinical Differentation and Intervention. In rats, markers of sexual differentation appear late in gestation (53). Unsatisfactory ratings are extremely rare, so there is virtually no differentation between mediocre and superb teachers. |
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