Definitions
from The Century Dictionary.
- noun Titanium dioxid, crystallizing in the tetragonal system, the fundamental and commonly occurring form being an acute square octahedron (whence the name); anatase.
- noun A meteoric iron with octahedral structure, which is usually distinctly marked by the lamellæ of kamacite, tænite, and plessite, seen in the Widmannstättian figures. Most iron meteorites fall in this class. See
meteorite .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) Titanium dioxide occurring in acute octahedral crystals.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy The mineral
anatase .
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word octahedrite.
Examples
-
Rutile is made up mostly of titanium dioxide with two rarer polymorphs anatase or octahedrite, which is a tetragonal mineral of pseudo-octahedral habit, and brookite, which is an orthorhombic mineral, the Doctor explained to her.
Update amberfocus 2008
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.