| 释义 |
Definition of icosahedron in English: icosahedronnounPlural icosahedrons, Plural icosahedra ˌʌɪkɒsəˈhiːdrənaɪˌkoʊsəˈhidrən A solid figure with twenty plane faces, especially equilateral triangular ones. （尤指呈等边三角形面的）二十面体 Example sentencesExamples - Hypsicles relates that his father and Basilides studied a treatise by Apollonius on a dodecahedron and an icosahedron in the same sphere and decided that Apollonius's treatment was not satisfactory.
- Water, because it is the most mobile and fluid, has to be an icosahedron, the regular solid that rolls most easily.
- Four more Archimedeans appear in the Short book on the five regular solids: the truncated cube, the truncated octahedron, the truncated icosahedron and the truncated dodecahedron.
- One of Plato's perfect solids, the icosahedron has 20 triangular faces.
- In particular he identified the five elements, fire, earth, air, water and celestial matter with the five regular solids, the tetrahedron, cube, octahedron, icosahedron and the dodecahedron.
Derivativesadjective In order to simulate a calcium ion located on a symmetry axis under icosahedral boundary conditions, it was necessary to develop a single-atom model that conforms to the symmetry requirements. Example sentencesExamples - Until the recent advances in computational power, simulating the protein coat of an entire icosahedral virus would have been futile.
- To detect the sequence determinants of the capacity to form icosahedral quaternary assemblies, we performed a comparative analysis of icosahedral and non-icosahedral lumazine synthases.
- Thus, the combination of a spherical quadratic boundary potential and icosahedral rotational symmetry conditions maintained the initial distribution of solvation waters at the exterior boundary.
- You may note that the spheres sit more or less on the vertices of an icosahedron, which is why this configuration is called the icosahedral arrangement.
OriginLate 16th century: via late Latin from Greek eikosaedron, neuter (used as a noun) of eikosaedros 'twenty-faced'. Definition of icosahedron in US English: icosahedronnounaɪˌkoʊsəˈhidrənīˌkōsəˈhēdrən A solid figure with twenty plane faces, especially equilateral triangular ones. （尤指呈等边三角形面的）二十面体 Example sentencesExamples - Hypsicles relates that his father and Basilides studied a treatise by Apollonius on a dodecahedron and an icosahedron in the same sphere and decided that Apollonius's treatment was not satisfactory.
- In particular he identified the five elements, fire, earth, air, water and celestial matter with the five regular solids, the tetrahedron, cube, octahedron, icosahedron and the dodecahedron.
- Four more Archimedeans appear in the Short book on the five regular solids: the truncated cube, the truncated octahedron, the truncated icosahedron and the truncated dodecahedron.
- Water, because it is the most mobile and fluid, has to be an icosahedron, the regular solid that rolls most easily.
- One of Plato's perfect solids, the icosahedron has 20 triangular faces.
OriginLate 16th century: via late Latin from Greek eikosaedron, neuter (used as a noun) of eikosaedros ‘twenty-faced’. |