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单词 tri-rhomboidal
释义

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tri-rhomboidal
tri-rhomboidal adj.
Brit. /ˌtrʌɪrɒmˈbɔɪdl/
,
U.S. /ˌtraɪrɑmˈbɔɪd(ə)l/
having eighteen faces occupying the positions of those of three different rhomboids.
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the world > matter > chemistry > crystallography (general) > crystal (general) > specific crystal forms > [adjective] > miscellaneous others
secondary1816
trapezian1816
triacontahedral1816
tri-dodecahedral1816
tri-hexahedral1816
tri-octahedral1816
tri-rhomboidal1816
octodecimal1817
octoduodecimal1817
octosexdecimal1817
pentahexahedral1817
octahedrala1824
trigonal1878
pinacoidal1879
tetartopyramid1891
trisoctahedral1891
tetartohexagonal1895
tetartosystematic1895
1816 R. Jameson Treat. External Characters Minerals (ed. 2) 197 Tri-rhomboidal; this, in the Wernerian Crystallography, is a double six-sided pyramid, with alternately broad and narrow lateral planes,..and..acuminated on the extremities with three planes, which are set on the smaller lateral planes. Example, Tri-rhomboidal calcareous-spar.
extracted from tri-comb. form
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