Meaning & use
Peritectic
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Relating to a reaction, occurring during cooling, in which a liquid reacts with a solid phase to form a new, different solid phase.
See it in a sentence
The alloy's peritectic reaction complicates efforts to achieve a uniform crystal structure.
Metallurgists study the peritectic point on a phase diagram to predict how an alloy solidifies.
A note on using this word
"Peritectic" reactions are common in metallurgy and mineralogy, and differ from "eutectic" reactions, which involve a liquid solidifying directly into two solid phases simultaneously.
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