Definition of euhedral in English:

euhedral

Syllabification: eu·he·dral
Pronunciation: /yo͞oˈhēdrəl
 
/

adjective

Geology
  • (Of a mineral crystal in a rock) bounded by faces corresponding to its regular crystal form unconstrained by adjacent minerals.
    More example sentences
    • During crystallization of the derivative granite, minor secondary zircon grew around the older cores, resulting in euhedral crystal forms of all the grains.
    • Some biotite crystals form perfectly euhedral plates, others show a reaction rim rich in opaque granules towards the surrounding microfelsitic base.
    • Titanite occurs as up to 2 cm long, dark brown, euhedral crystals in textural equilibrium with the other minerals.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody