Tetartohedral
Look at other dictionaries:
tetartohedral — [tə tärt΄ə hē′drəl] adj. [ TETARTO + HEDRAL] having one fourth of the planes needed for crystallographic symmetry of the system … English World dictionary
tetartohedral — adjective Etymology: Greek tetartos fourth; akin to Greek tettares four more at four Date: circa 1858 of a crystal having one fourth the number of planes required by complete symmetry compare hemihedral, holohedral … New Collegiate Dictionary
tetartohedral — tetartohedrally, adv. tetartohedrism, n. /ti tahr toh hee dreuhl/, adj. (of a crystal) having one fourth the planes or faces required by the maximum symmetry of the system to which it belongs. [1855 60; < Gk tétarto(s) one fourth + HEDRAL] * * * … Universalium
tetartohedral — te·tar·to·he·dral … English syllables
tetartohedral — /təˌtatoʊˈhidrəl/ (say tuh.tahtoh heedruhl) adjective (of a crystal) having one fourth the planes or faces required by the maximum symmetry of the system to which it belongs. {tetarto (from Greek, combining form of tetartos fourth) + hedr(on) +… …
tetartohedral — … Useful english dictionary
Tetartohedrally — Tetartohedral Te*tar to*he dral, a. [Gr. ? fourth + ? base.] (Crystallog.) Having one fourth the number of planes which are requisite to complete symmetry. {Te*tar to*he dral*ly}, adv. [1913 Webster] … The Collaborative International Dictionary of English
Tetartohedrism — Te*tar to*he drism, n. (Crystallog.) The property of being tetartohedral. [1913 Webster] … The Collaborative International Dictionary of English
Trapezohedron — Trap e*zo*he dron, n. [NL., from trapezium + Gr. ? seat, base, fr. ? to sit.] (Crystalloq.) (a) A solid bounded by twenty four equal and similar trapeziums; a tetragonal trisoctahedron. See the Note under {Trisoctahedron}. (b) A tetartohedral… … The Collaborative International Dictionary of English
hemihedral — adjective Etymology: hemi + hedron Date: 1837 of a crystal having half the faces required by complete symmetry compare holohedral, tetartohedral … New Collegiate Dictionary
