Noun: gamma iron 'ga-mu'I(-u)rn
- A nonmagnetic allotrope of iron that is the basis of austenite; stable between 906 and 1403 degrees centigrade
"Gamma iron is important in the heat treatment of steel"
Derived forms: gamma irons
Type of: atomic number 26, Fe, iron
Part of: austenite
Encyclopedia: Gamma iron