the magnetic allotrope of iron, stable below 910°C and having a body-centered cubic space lattice.
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Origin of alpha iron
First recorded in 1880–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a magnetic allotrope of iron that is stable below 910°C; ferrite
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