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HAZMAT

or haz·mat

[haz-mat]
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noun
  1. a material or substance that poses a danger to life, property, or the environment if improperly stored, shipped, or handled: regulations for transporting radioactive materials and other HAZMAT.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hazmat

hazmat

noun mainly US and Canadian
    1. substances that pose a danɡer to public health
    2. (as modifier)a hazmat suit

Word Origin

C20: haz (ardous) + mat (erials)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for hazmat

also HAZMAT, 1977, condensed from hazardous material(s).

Online Etymology Dictionary, © 2010 Douglas Harper

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