Definition of eutectic in English:

eutectic

Line breaks: eu|tec¦tic
Pronunciation: /juːˈtɛktɪk
 
/
Chemistry

adjective

  • Relating to or denoting a mixture of substances (in fixed proportions) that melts and freezes at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them: the eutectic mixture melts at 183°C silver and copper form a eutectic system
    More example sentences
    • A eutectic mixture has a melting point below room temperature; therefore, both local anesthetics exist as a liquid oil rather than as crystals.
    • When the temperature has been lowered sufficiently, the remaining liquid solidifies as a eutectic structure of austenite and graphite.
    • All children were given a patch of eutectic mixture of local anesthetic, because midazolam does not have analgesic properties, and later were given the nasal spray.

noun

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  • 1A eutectic mixture.
    More example sentences
    • The structure is illustrated in Fig.4 from the Cast Iron article which shows the structure of the phosphide eutectic, together with graphite, ferrite and pearlite.
    • When the metastable path is followed, the rich carbon phase in the eutectic is the iron carbide; when the stable solidification path is followed, the rich carbon phase is graphite.
    • All the phases formed tend to concentrate at the grain boundaries, in the form of complex eutectics, more or less coupled.
  • 1.1 short for eutectic point.

Origin

late 19th century: from Greek eutēktos 'easily melting', from eu 'well, easily' + tēkein 'melt'.

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