Webster's 1828 Dictionary
ANATASE
n.[Gr. extension, so named from the length of its crystals.] Octahedrite; octahedral oxyd of titanium; a mineral that shows a variety of colors by reflected light, from indigo blue to reddish brown. It is usually crystallized in acute, elongated, pyramidical octahedrons.
New American Oxford Dictionary
anatase
an a tase |ˈanəˌtās, -ˌtāz ˈænəteɪs | ▶noun one of the tetragonal forms of titanium dioxide, usually found as brown crystals, used as a pigment in paints and inks. ORIGIN early 19th cent.: from French, from Greek anatasis ‘extension, ’ with allusion to the length of the crystals.
Oxford Dictionary
anatase
an a tase |ˈanəˌtās, -ˌtāz ˈænəteɪs | ▶noun one of the tetragonal forms of titanium dioxide, usually found as brown crystals, used as a pigment in paints and inks. ORIGIN early 19th cent.: from French, from Greek anatasis ‘extension, ’ with allusion to the length of the crystals.
Duden Dictionary
Anatas
Ana tas Substantiv, maskulin , der |Anat a s |der Anatas; Genitiv: des Anatas griechisch ein Mineral