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protoxide

American  
[proh-tok-sahyd, -sid] / proʊˈtɒk saɪd, -sɪd /
Also protoxid

noun

Chemistry.
  1. the one of a series of oxides having the smallest proportion of oxygen.


protoxide British  
/ prəʊˈtɒksaɪd /

noun

  1. the oxide of an element that contains the smallest amount of oxygen of any of its oxides

"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 protoxide

prot- + 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:

How does it affect the protoxide of iron?

From The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools by Waring, George E. (George Edwin)

The black scales which fly from hot iron when struck by the blacksmith's hammer are protoxide of iron.

From The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools by Waring, George E. (George Edwin)

There are two oxides of iron, a protoxide and a peroxide.

From A System Of Logic, Ratiocinative And Inductive (Vol. 1 of 2) by Mill, John Stuart

In regard to the medical efficacy of the protoxide obtained in this way, Mr. Evans reports the following to be the results obtained by Dr. Coates, at whose suggestion the article was prepared.

From North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 by Bache, Franklin

Periclase, per′i-klāz, n. a rare mineral consisting of magnesia with a little iron protoxide.

From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various

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