hypereutectoid

American  

[hahy-per-yoo-tek-toid] / ˌhaɪ pər jʊˈtɛk tɔɪd /

Or hypereutectic

adjective

Metallurgy.

1. (of an alloy) having more of the alloying element than the eutectoid composition.

2. (of steel) having more carbon than the 0.8 percent of eutectoid steel.

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Etymology

Origin of hypereutectoid

First recorded in 1910–15; hyper- + eutectoid