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Medical Dictionary


noun \ˌtē-ˌsē-ˌdē-ˈdē\

Medical Definition of TCDD

:  a carcinogenic dioxin C12H4O2Cl4 found especially as a contaminant in 2,4,5-T—called also 2,3,7,8-tetrachlorodibenzo-para-dioxin, 2,3,7,8-tetrachlorodibenzo-p-dioxin


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