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单词 trapezohedron
释义

Definition of trapezohedron in English:

trapezohedron

nounPlural trapezohedra, Plural trapezohedrons ˌtrapɪzə(ʊ)ˈhiːdrəntrəˌpēzōˈhēdrən
  • A solid figure whose faces are trapeziums or trapezoids.

    偏方三八面体

    Example sentencesExamples
    • First-generation crystals are rarely noted as minute orange-colored trapezohedra associated with the stratified layers of laumontite and stilbite, discussed below.
    • You must take the shining trapezohedron and keep it in a safe deposit box, until you are ready to come to Nigeria.
    • The habit of beta quartz crystals is that of simple hexagonal dipyramids; other forms, including the right and left trapezohedra, are not often seen.
    • The analcime occurs as simple semitransparent trapezohedra to 3.5 cm across that contain cloudy white to brownish-red inclusions.
    • The rhombic dodecahedron and the common trapezohedron are the most common forms.

Derivatives

  • trapezohedral

  • adjective
    • The crystals have sharp trapezohedral faces; they have a glassy luster and are quite transparent when unweathered.
      Example sentencesExamples
      • These crystals occur in amygdaloidal cavities, either as massive fillings or as linings of trapezohedral crystals that rarely exceed 1 cm across.
      • It occurred as trapezohedral milky-white microcrystals in small vugs and as clear, colorless, glassy masses up to 1 cm in size.
      • Analcime occurs in both junction and pillow pockets as superb trapezohedral crystals.
      • The crystals are dodecahedral with lightly etched trapezohedral faces.

Origin

Early 19th century: from trapezium + -hedron, on the pattern of words such as polyhedron.

Definition of trapezohedron in US English:

trapezohedron

nountrəˌpēzōˈhēdrən
  • A solid figure whose faces are trapeziums or trapezoids.

    偏方三八面体

    Example sentencesExamples
    • The habit of beta quartz crystals is that of simple hexagonal dipyramids; other forms, including the right and left trapezohedra, are not often seen.
    • First-generation crystals are rarely noted as minute orange-colored trapezohedra associated with the stratified layers of laumontite and stilbite, discussed below.
    • You must take the shining trapezohedron and keep it in a safe deposit box, until you are ready to come to Nigeria.
    • The rhombic dodecahedron and the common trapezohedron are the most common forms.
    • The analcime occurs as simple semitransparent trapezohedra to 3.5 cm across that contain cloudy white to brownish-red inclusions.

Origin

Early 19th century: from trapezium + -hedron, on the pattern of words such as polyhedron.

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更新时间:2024/9/21 17:39:06