from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various chemical compounds containing two amino groups, especially hydrazine.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any compound containing two amino functional groups.

from the GNU version of the Collaborative International Dictionary of English

  • n. A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide.

from The Century Dictionary and Cyclopedia

  • n. The name of a class of chemical compounds formed by substituting one or more alcohol radicals for hydrogen in a double molecule made up of two ammonia molecules.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any organic compound containing two amino groups


Sorry, no etymologies found.


  • _Brucine_ is a tertiary diamine, that is, formed by substitution in a double ammonia molecule.

    Scientific American Supplement, No. 415, December 15, 1883

  • EDTA stands for ethylene diamine tetra-acetic acid, which is a synthetic amino acid that is delivered intravenously.

    FDA cracks down on experimental autism therapy

  • At about 10: 00 am, under the direction of Dr. Kerry, Abubakar's arm was cleaned with alcohol, and EDTA (ethylene diamine tetraacetic acid), a chelate, was directly injected into the boy's bloodstream.

    Op-eds on vaccines by Paul Offit, MD

  • In a plea agreement, Jakubec acknowledged making and storing explosives and weapons at his ranch-style home in Escondido, including nine detonators, 13 grenade hulls and large quantities of the highly unstable Hexamethylene triperoxide diamine, or HMDT, which can explode by someone stepping on it.

    California man to be sentenced for bomb-laden home

  • Memory sticks found in Mr. Sarwar's home contained information about detonating improvised explosive devices on aircraft, while in woods nearby police found a partially buried suitcase containing materials necessary to manufacture hexamethylene triperoxide diamine, or HMTD, and several dozen liters of hydrogen peroxide.

    Three Guilty in U.K. Jet Bomb Plot

  • And what they're talking specifically about are TATP and HMTD, which is triacetone triperoxide and hexamethylene triperoxide diamine, OK?

    CNN Transcript Sep 15, 2009

  • So we're talking about basically two types of explosives, triacetone triperoxide, TATP, and HMTP, hexamethylene triperoxide diamine.

    CNN Transcript Sep 15, 2009

  • Hexamethylene diamine is “highly toxic and can cause serious injuries.”

    How Safe and Green Are Your Crafting Supplies? (Part 2)

  • BARRY: This may be very difficult, because they're using HMTD, which is hexamethylene triperoxide diamine.

    CNN Transcript Sep 5, 2007

  • The TATP (Triacetone Triperoxide), DADP (diacetone diperoxide) or the less sensitive HMTD (hexamethylene triperoxide diamine) liquid explosives were reportedly to be made on the planes by mixing sports drinks with a peroxide-based household gel, to be detonated using an MP3 player or mobile phone.

    Ex-UK intel official says liquid explosive claims 'fiction'


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