[awr-thuh-kleys, -kleyz] /ˈɔr θəˌkleɪs, -ˌkleɪz/
a common white or pink mineral of the feldspar group, KAlSi 3 O 8 , having two good cleavages at right angles, and found in silica-rich igneous rocks: used in the manufacture of porcelain.
a white to pale yellow, red, or green mineral of the feldspar group, found in igneous, sedimentary, and metamorphic rocks. It is used in the manufacture of glass and ceramics. Composition: potassium aluminium silicate. Formula: KAlSi3O8. Crystal structure: monoclinic
A white, pink, yellow, or brown type of potassium feldspar. It is dimorphous with microcline, being more stable at higher temperatures than it is. Also called: potash feldspar. Chemical formula: KAlSi3O8.
[awr-thuh-klas-tik] /ˌɔr θəˈklæs tɪk/ adjective, Crystallography. 1. (of a crystal) having cleavages at right angles to each other.
[awr-thuh-kuhz-uh n, awr-thuh-kuhz-] /ˌɔr θəˈkʌz ən, ˈɔr θəˌkʌz-/ noun 1. .
orthocytosis or·tho·cy·to·sis (ôr’thō-sī-tō’sĭs) n. A condition in which all cellular elements in the blood are mature forms.
[awr-thuh-dahy-klawr-uh-ben-zeen, -ben-zeen, -klohr-] /ˌɔr θə daɪˌklɔr əˈbɛn zin, -bɛnˈzin, -ˌkloʊr-/ noun, Chemistry. 1. a colorless liquid with a pleasant odor, C 6 H 4 Cl 2 , used as a solvent for a wide range of organic materials.