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trioxide

[trahy-ok-sahyd, -sid] /traɪˈɒk saɪd, -sɪd/
noun, Chemistry
1.
an oxide containing three oxygen atoms, as As 2 O 3 .
Origin
1865-1870
1865-70; tri- + oxide
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for trioxide
  • Toxic fumes of arsenic trioxide and arsine may be formed in fire situations.
  • Determine the pharmacokinetics of arsenic trioxide with and without tretinoin in these patients.
British Dictionary definitions for trioxide

trioxide

/traɪˈɒksaɪd/
noun
1.
any oxide that contains three oxygen atoms per molecule: sulphur trioxide, SO3
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
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trioxide in Medicine

trioxide tri·ox·ide (trī-ŏk'sīd') or tri·ox·id (-ŏk'sĭd)
n.
An oxide containing three oxygen atoms per molecule.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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