The compound is a clathrate hydrate, and the most notable feature of the water framework is a novel polyhedral cage, the 18-hedron (octakaidecahedron),[…]
Source: wiktionary
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8 total sentences available.
The compound is a clathrate hydrate, and the most notable feature of the water framework is a novel polyhedral cage, the 18-hedron (octakaidecahedron),[…]
Source: wiktionary
The most interesting feature here is the appearance of a new type of polyhedral cage, the 18-hedron or octakaidecahedron (see Fig. 115).
Source: wiktionary
The d-functions adapted to spherical symmetry divide the sphere in six quadrangles (around the three Cartesian axes) reserved for the e_g sub-shell and twelve hexagons for the t_(2g) sub-shell very similar to a cubic octakaidecahedron projected out to the sphere.
Source: wiktionary
This is a packing of cubes and octakaidecahedra in which there are two types of grain comer geometry.
Source: wiktionary
Showing 4 of 8 available sentences.
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.