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xenon trioxide

American  

noun

Chemistry.

  1. a colorless, nonvolatile solid, XeO 3 , explosive when dry: in solution it is called xenic acid.

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“How long before the Xenon trioxide reaches 25 degree?” their supervisor asked.

From Scientific American

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.