di-hexahedronn.
Crystallography.
A six-sided prism with trihedral summits, making twelve faces in all. Also sometimes, a double hexagonal pyramid.
ΚΠ
1888 Amer. Naturalist 22 247 Dihexahedra of quartz and various rare minerals are noted in them [trap dikes in Scotland].
This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2019).
> as lemmas
di-hexahedron
1. Entering into numerous English words, mostly technical, as dichromic, dicotyledon, digamma, digamy, diglot, digraph, dilemma, diphthong, diptych, distich, disyllable; also in the nomenclature of Natural History as Diadelphia, Diandria, Didelphia, Diptera: which see in their alphabetical places. So in Crystallography, as in di-tetrahedron a crystal having twice four sides or planes; so di-hexahedron, etc.
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n.1888as lemmas
- head-hid
- head-high
- head-hung
- head-in-air
- head-kercher
- head-kerchief
- head-line
- head-lined
- head-load
- head-lock
- head-locking
- head-lugged
- head-maker
- head-mould-shot
- head-mould-shottenness
- head-mounted
- head-nodding
- head-on
- head-place
- head-plate
- have done it again
- have done with
- have done!
- have down cold
- have down pat