> as lemmas
tri-octahedral
tri-octahedral adj.
Brit. 
/ˌtrʌɪɒktəˈhiːdr(ə)l/
, /ˌtrʌɪɒktəˈhiːdr(ə)l/U.S. /ˌtraɪɑktəˈhidrəl/
/ˌtraɪɑktəˈhidrəl/ΘΚΠ
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) 200 Tri-octahedral sulphat of lead,..a four-sided pyramid,..the edges of the common base truncated, the angles on it very deeply bevelled, the bevelling planes set on the lateral edges, and the bevelling edges again deeply truncated, so that the crystal..consists of three rows of planes, of which each row contains eight planes.
<
as lemmas