Definition of euhedral in English:

euhedral

adjective juːˈhiːdr(ə)lyo͞oˈhēdrəl

Geology

(of a mineral crystal in a rock) bounded by faces corresponding to its regular crystal form, not constrained by adjacent minerals.
〔地质〕（岩石中的矿物晶体）自形的
Example sentencesExamples
- The remaining 5-10% of zircon grains are rhombic, prismatic or long-prismatic euhedral crystals, and are always transparent and colourless to pale pink.
- During crystallization of the derivative granite, minor secondary zircon grew around the older cores, resulting in euhedral crystal forms of all the grains.
- The mineral separates provided a population of euhedral, prismatic crystals, which are either transparent and colourless or chocolate brown and translucent to opaque.
- Titanite occurs as up to 2 cm long, dark brown, euhedral crystals in textural equilibrium with the other minerals.
- Some biotite crystals form perfectly euhedral plates, others show a reaction rim rich in opaque granules towards the surrounding microfelsitic base.

Definition of euhedral in US English:

euhedral

adjectiveyo͞oˈhēdrəl

Geology

(of a mineral crystal in a rock) bounded by faces corresponding to its regular crystal form unconstrained by adjacent minerals.
〔地质〕（岩石中的矿物晶体）自形的
Example sentencesExamples
- 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.
- The mineral separates provided a population of euhedral, prismatic crystals, which are either transparent and colourless or chocolate brown and translucent to opaque.
- The remaining 5-10% of zircon grains are rhombic, prismatic or long-prismatic euhedral crystals, and are always transparent and colourless to pale pink.

词汇	euhedral
释义	Definition of euhedral in English: euhedral adjective juːˈhiːdr(ə)lyo͞oˈhēdrəl Geology (of a mineral crystal in a rock) bounded by faces corresponding to its regular crystal form, not constrained by adjacent minerals. 〔地质〕（岩石中的矿物晶体）自形的 Example sentencesExamples The remaining 5-10% of zircon grains are rhombic, prismatic or long-prismatic euhedral crystals, and are always transparent and colourless to pale pink. During crystallization of the derivative granite, minor secondary zircon grew around the older cores, resulting in euhedral crystal forms of all the grains. The mineral separates provided a population of euhedral, prismatic crystals, which are either transparent and colourless or chocolate brown and translucent to opaque. Titanite occurs as up to 2 cm long, dark brown, euhedral crystals in textural equilibrium with the other minerals. Some biotite crystals form perfectly euhedral plates, others show a reaction rim rich in opaque granules towards the surrounding microfelsitic base. Definition of euhedral in US English: euhedral adjectiveyo͞oˈhēdrəl Geology (of a mineral crystal in a rock) bounded by faces corresponding to its regular crystal form unconstrained by adjacent minerals. 〔地质〕（岩石中的矿物晶体）自形的 Example sentencesExamples 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. The mineral separates provided a population of euhedral, prismatic crystals, which are either transparent and colourless or chocolate brown and translucent to opaque. The remaining 5-10% of zircon grains are rhombic, prismatic or long-prismatic euhedral crystals, and are always transparent and colourless to pale pink.
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