Showing results for trioxide. Search instead for trioxid.

trioxide

American

[trahy-ok-sahyd, -sid] / traɪˈɒk saɪd, -sɪd /

noun

Chemistry.

an oxide containing three oxygen atoms, as As 2 O 3 .

trioxide British

/ traɪˈɒksaɪd /

noun

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

Etymology

Origin of trioxide

First recorded in 1865–70; tri- + oxide

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

trioxide

A metallic compound, molybdenum trioxide can be used to make tough, heat-resistant alloys used in armored vehicles or missile engines.

From The Wall Street Journal ● Nov. 3, 2026

To stabilize the divalent chromium on Earth, researchers maintained high temperatures, almost 2,500 degrees Fahrenheit, under high vacuum during the synthesis that started from chromium metal, chromium trioxide and other chemicals.

From Science Daily ● Apr. 16, 2024

Both antimony trioxide and the suite of haloacetic acids have previously been recognized by state and federal agencies as hazardous substances.

From Salon ● Jan. 12, 2022

Sulfur trioxide forms slowly when heating sulfur dioxide and oxygen together, and the reaction is exothermic:

From Textbooks ● Feb. 14, 2019

Nitric acid oxidizes antimony either to the trioxide Sb4O6 or the pentoxide Sb2O5, the product obtained depending on the temperature and concentration of the acid.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

Random Word

Spin the wheel and learn a new word!

Get a word

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