| 释义 |
[ hep-tag-uh-nl ] / hɛpˈtæg ə nl /
adjectivehaving seven sides or angles. Origin of heptagonalFirst recorded in 1605–15; heptagon + -al1 Words nearby heptagonalheptachlor, heptachord, heptad, heptadecanoic acid, heptagon, heptagonal, heptahedron, heptahydrate, heptamerous, heptameter, heptane Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for heptagonalMeshes subregular pentagonal (intermingled with single tetragonal, hexagonal, and heptagonal meshes). Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index|Ernst Haeckel The effect of a heptagonal stem on an octagonal base or plinth is certainly odd. Bell's Cathedrals: The Abbey Church of Tewkesbury|H. J. L. J. Mass Meshes regular or subregular, hexagonal, often intermingled with a variable number of pentagonal and heptagonal meshes. Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index|Ernst Haeckel
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