polyhedron

名词 n.
中文释义
英 /ˌpɒlɪˈhiːdɹən/|/ˌpɒliːˈhiːdɹən/|/ˌpɒliːˈhiːdɹɒn/|/ˌpɒlɪˈhɛdɹən/|/ˌpɒliːˈhɛdɹən/|/ˌpɒliːˈhɛdɹɒn/    美 /ˌpɑliˈhidɹən/|/ˌpɑliˈhidɹɑn/

英文释义

名词 n.
  1. A solid figure with many flat faces and straight edges.
    — Of the convex polyhedra with regular faces, the only ones that have tetrahedral, octahedral, or icosahedral symmetry are the Platonic and Archimedean solids.
  2. A polyscope, or multiplying glass.
  3. A stage in the growth of Hydrodictyon, when the resting spore breaks up into several megazoospores that put out horn-like appendages; these polyhedra break up into zoospores.

词形变化

polyhedra plural polyhedrons plural polyedron alternative

词汇关系

近义词
polyhedron
上位词
abstract polyhedron polytope
下位词
convex polyhedron deltahedron dodecahedron dual polyhedron hexahedron icosahedron Johnson solid noble polyhedron octahedron Archimedean solid Catalan solid quasiregular polyhedron Kepler-Poinsot polyhedron cube Platonic solid regular polyhedron antiprism dipyramid prism trapezohedron semiregular polyhedron star polyhedron tetrahedron uniform polyhedron zonohedron Kepler solid pentahedron heptahedron enneahedron decahedron hendecahedron tridecahedron tetradecahedron pentadecahedron hexadecahedron heptadecahedron octadecahedron enneadecahedron icositetrahedron icosihexahedron icosioctahedron triacontahedron icosidodecahedron tetracontahedron tetracontaoctahedron hexoctahedron pentacontahedron hexecontahedron enneacontahedron hectohedron chiliahedron myriahedron
衍生词
Euler's polyhedron formula ideal polyhedron Johnson polyhedron micropolyhedron nanopolyhedron polyhedrin polyhedroid Schönhardt polyhedron spheropolyhedron
相关词
apeirohedron Schläfli symbol spherical polyhedron subpolyhedron tessellation number List of uniform polyhedra on Wikipedia.Wikipedia
部分词
vertex edge face polygon

词源

From New Latin polyedron, from Ancient Greek πολύεδρος (polúedros, “having many seats”), from πολυ- (polu-, “many”) + ἕδρα (hédra, “seat”); compare French polyèdre. By surface analysis, poly- + -hedron.
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