eutectoid

1 of 2

noun

eu·​tec·​toid
yüˈtekˌtȯid
plural -s
: a eutectoid alloy (such as pearlite) formed when a solid solution transforms during cooling into new solid phases, the change taking place entirely in the solid state

eutectoid

2 of 2

adjective

: like a eutectic
used especially of steel in the form of pearlite

Word History

Etymology

Noun

International Scientific Vocabulary eutect- (from eutectic) + -oid, noun suffix

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Cite this Entry

“Eutectoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eutectoid. Accessed 20 Dec. 2025.

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