spiegeleisen
Americannoun
noun
Etymology
Origin of spiegeleisen
1865–70; < German, equivalent to Spiegel mirror + Eisen iron
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.
If steel was wanted a small amount of carbon, usually in the form of spiegeleisen, was introduced into the converter before the process was complete.
From Inventions in the Century by William Henry Doolittle
When all the carbon is removed, then exactly enough carbon is added by introducing molten spiegeleisen to produce steel of any desired temper with the utmost certainty.
From The Harris-Ingram Experiment by Charles E. (Charles Edward) Bolton
A small amount is used for spiegeleisen, and the rest as a flux.
From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6 "Cockaigne" to "Columbus, Christopher" by Various
Manganese itself has a value for steel-making; or, rather, for the making of spiegeleisen and ferro-manganese, which are used in the Bessemer and Siemens processes.
From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer
For a spiegeleisen not more than 1 gramme of the sample should be taken, and for a ferro-manganese 0.3 gramme.
From Scientific American Supplement, No. 401, September 8, 1883 by Various
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.
