trinitrotoluene noun. [trʌɪ,nʌɪtrǝʊ'tɒljʊi:n] E20.
[from TRI- + NITRO- + TOLUENE.]
Any of three isomeric nitro derivatives of toluene, CH₃C₆H₂(NO₂)₃, esp. the 2,4,6-isomer, used as a high explosive that is relatively insensitive to shock and can be conveniently melted. Abbreviation TNT.
Also
■ trinitrotoluol noun (now rare) E20.

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