- Hemihedrism
- Hemihedrism Hem`i*he"drism, n. (Crystallog.) The property of crystallizing hemihedrally. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
Hemihedrism
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hemihedrism — hemi·he·drism … English syllables
hemihedrism — … Useful english dictionary
Phenakite — Phenacite or phenakite is a nesosilicate mineral consisting of beryllium orthosilicate, Be2SiO4. Occasionally used as a gemstone, phenacite occurs as isolated crystals, which are rhombohedral with parallel faced hemihedrism, and are either… … Wikipedia
Louis Pasteur — Louis Pasteur † Catholic Encyclopedia ► Louis Pasteur Chemist, founder of physio chemistry, father of bacteriology, inventor of bio therapeutics; born at Dole, Jura, France, 27 December, 1822; died near Sevres, 28 September, 1895. His … Catholic encyclopedia
hemihedral — /hɛmiˈhidrəl/ (say hemee heedruhl) adjective (of a crystal) having only half the planes or faces required by the maximum symmetry of the system to which it belongs. {hemi + Greek hedra seat, base + al1} –hemihedrally, adverb –hemihedrism,… …
hemihedry — noun see hemihedrism * * * hemihēˈdrism or hemihēˈdry / dri/ noun (Gr hedrā a seat) a property of crystals of being hemihēˈdral, or having half the number of symmetrically arranged planes occurring on a holohedron • • • Main Entry: ↑hemi … Useful english dictionary
