Definition of heptahedron in English:

heptahedron

nounPlural heptahedrons, Plural heptahedra ˌhɛptəˈhiːdrənˌhɛptəˈhidrən

A solid figure with seven plane faces.
七面体
Example sentencesExamples
- I'm trying to build a variety of knots and convex heptahedra with this set.
- Around the circle - in which the heptahedron lies - another seven-fold star can be constructed.
- We are aware that the dodecahedron dissected into four congruent heptahedrons could be positioned onto the bottom of the cube.
- Edges vanish, and it becomes a heptahedron, having three rhombic faces and four triangular faces.
- While all of the faces are regular and vertices equivalent, the heptahedron is self-intersecting and is therefore not considered an Archimedean solid.

Derivatives

heptahedral

adjective

Origin

Late 17th century: from hepta- 'seven' + -hedron, on the pattern of words such as polyhedron.

Definition of heptahedron in US English:

heptahedron

nounˌhɛptəˈhidrənˌheptəˈhēdrən

A solid figure with seven plane faces.
七面体
Example sentencesExamples
- Around the circle - in which the heptahedron lies - another seven-fold star can be constructed.
- I'm trying to build a variety of knots and convex heptahedra with this set.
- We are aware that the dodecahedron dissected into four congruent heptahedrons could be positioned onto the bottom of the cube.
- While all of the faces are regular and vertices equivalent, the heptahedron is self-intersecting and is therefore not considered an Archimedean solid.
- Edges vanish, and it becomes a heptahedron, having three rhombic faces and four triangular faces.

Origin

Late 17th century: from hepta- ‘seven’ + -hedron, on the pattern of words such as polyhedron.

单词	heptahedron
释义	Definition of heptahedron in English: heptahedron nounPlural heptahedrons, Plural heptahedra ˌhɛptəˈhiːdrənˌhɛptəˈhidrən A solid figure with seven plane faces. 七面体 Example sentencesExamples I'm trying to build a variety of knots and convex heptahedra with this set. Around the circle - in which the heptahedron lies - another seven-fold star can be constructed. We are aware that the dodecahedron dissected into four congruent heptahedrons could be positioned onto the bottom of the cube. Edges vanish, and it becomes a heptahedron, having three rhombic faces and four triangular faces. While all of the faces are regular and vertices equivalent, the heptahedron is self-intersecting and is therefore not considered an Archimedean solid. Derivatives heptahedral adjective Origin Late 17th century: from hepta- 'seven' + -hedron, on the pattern of words such as polyhedron. Definition of heptahedron in US English: heptahedron nounˌhɛptəˈhidrənˌheptəˈhēdrən A solid figure with seven plane faces. 七面体 Example sentencesExamples Around the circle - in which the heptahedron lies - another seven-fold star can be constructed. I'm trying to build a variety of knots and convex heptahedra with this set. We are aware that the dodecahedron dissected into four congruent heptahedrons could be positioned onto the bottom of the cube. While all of the faces are regular and vertices equivalent, the heptahedron is self-intersecting and is therefore not considered an Archimedean solid. Edges vanish, and it becomes a heptahedron, having three rhombic faces and four triangular faces. Origin Late 17th century: from hepta- ‘seven’ + -hedron, on the pattern of words such as polyhedron.
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