| 单词 | heptahedron |
| 释义 | heptahedron in British English (ˌhɛptəˈhiːdrən) nounWord forms: plural -drons or -dra (-drə) a solid figure having seven plane faces See also polyhedronDerived forms heptahedral (ˌheptaˈhedral) adjective heptahedron in American English (ˌhɛptəˈhidrən) nounWord forms: plural ˌheptaˈhedrons or ˌheptaˈhedra (ˌhɛptəˈhidrə) a solid figure with seven plane surfaces Derived forms heptahedral (ˌheptaˈhedral) adjective Word origin ModL: see hepta- & -hedron |
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