- Metallurgy. an allotrope of iron, stable between 910°C and 1400°C and having a face-centered cubic lattice.
Origin of gamma iron
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an allotrope of iron that is nonmagnetic and exists between 910°C and 1400°C
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