Definition of trapezohedron in English:
trapezohedron
nounPlural trapezohedra, Plural trapezohedrons ˌtrapɪzə(ʊ)ˈhiːdrəntrəˌpēzōˈhēdrən
A solid figure whose faces are trapeziums or trapezoids.
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
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.