1
of an alloy or solution : having the lowest melting point possible
2
: of or relating to a eutectic alloy or solution or its melting or freezing point
eutectic noun

Examples of eutectic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Together, these ingredients form a deep eutectic solvent, a liquid mixture whose components interact through forces such as hydrogen bonding and ion-dipole interactions. — Neetika Walter, Interesting Engineering, 31 Oct. 2026 For example, Thompson has identified one candidate, a mixture of acids and bases called a deep eutectic solvent, that dissolves everything but nickel. — Ian Morse, Science | AAAS, 20 May 2021 In the freezing stage, the product is cooled to below its eutectic point, or the lowest temperature at which the solid and liquid phase can coexist. — Ashton Yoon, Discover Magazine, 17 Feb. 2016

Word History

Etymology

Greek eutēktos easily melted, from eu- + tēktos melted, from tēkein to melt — more at thaw

First Known Use

1884, in the meaning defined at sense 1

Time Traveler
The first known use of eutectic was in 1884

Browse Nearby Words

Cite this Entry

“Eutectic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/eutectic. Accessed 5 Nov. 2026.

Medical Definition

eutectic

adjective
1
of an alloy or solution : having the lowest melting point possible
2
: of or relating to a eutectic alloy or solution or its melting or freezing point
eutectic noun

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