TCDD

The abbreviation TCDD stands for

• Compounds such as 2,3,7,8-Tetrachlorodibenzodioxin (known as Seveso poison since the Seveso disaster in Italy in 1976) and 1,3,6,8-tetrachlorodibenzo-p-dioxin , polychlorinated four isomers from the chemical group of dioxins
• the Turkish railway company Türkiye Cumhuriyeti Devlet Demiryolları

See also:

• TCCD

This is a disambiguation page for differentiating between several terms identified with the same word.