ferrous oxide
Americannoun
Etymology
Origin of ferrous oxide
First recorded in 1870–75
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.
Amused and enchanted, I named him "Ferrous" for the chemical name of rust, hydrated ferrous oxide.
From New York Times • Feb. 13, 2018
The ammonia precipitate contains the whole of the iron as ferric oxide; hence the necessity for calculating the ferrous oxide as ferric, and deducting it.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius
When oxygen, in a free or gaseous state, comes into contact with iron, it produces ferrous oxide, which is recognized as rust.
From Electricity for Boys by Zerbe, James Slough
Calculate the percentage as ferrous oxide, unless there are reasons to the contrary, also calculate its weight as ferric oxide.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius
Ferrous Oxide.—When a qualitative test shows both ferric and ferrous oxide to be present, the proportion of the ferrous oxide must be separately determined.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Beringer, Cornelius
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.
