pearlite
UK /ˈpɜːlaɪt/ US /ˈpɝlaɪt/
noun 2
Definitions
noun
1
A two-phased lamellar structure composed of alternating layers of alpha ferrite and cementite that occurs in some steels and cast irons, having a pearlescent appearance.
2
Alternative form of perlite.
[…]inclosing great masses of pearlite and felspar.
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