hypereutectoid

American

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

Or hypereutectic

adjective

Metallurgy.

(of an alloy) having more of the alloying element than the eutectoid composition.
(of steel) having more carbon than the 0.8 percent of eutectoid steel.

First recorded in 1910–15; hyper- + eutectoid

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023