Dictionary.com
Thesaurus.com

magnesium oxide

American  

noun

Chemistry.
  1. magnesia.


magnesium oxide British  

noun

  1. Also called: magnesia.  a white tasteless substance occurring naturally as periclase: used as an antacid and laxative and in refractory materials, such as crucibles and fire bricks. Formula: MgO

"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 magnesium oxide

First recorded in 1905–10

Compare meaning

How does magnesium-oxide compare to similar and commonly confused words? Explore the most common comparisons:

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.

The research also found that supplements such as psyllium fiber, certain probiotics, and magnesium oxide may provide additional relief.

From Science Daily

And that's why taking magnesium oxide supplements was found to have lots of benefits, according to the research.

From BBC

It used magnesium oxide boards, which do not burn, during testing and did not reveal this in marketing literature.

From BBC

The magnesium formed a thin layer of magnesium oxide on the tantalum surface that appears to keep oxygen from getting through.

From Science Daily

The inquiry heard 8mm fibre cement panels were added over the magnesium oxide to "conceal" its presence, making the whole system almost flush - but for the 2mm difference.

From BBC