triacetone en · NOUN
Etymology
From tri- + acetone.
Meanings
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(in-compounds, uncountable) Three acetone substituents in another compound.
At the detention hearing, Mr. Neff reiterated that Mr. Zazi had e-mailed himself bomb-making instructions and had been shopping for the components to make the explosives, triacetone triperoxide, or TATP, from beauty supply stores.
2009 September 26, William K. Rashbaum, “Terror Suspect Is Transferred to New York for Trial”, in New York Times: