əˈnȯrˌthīt noun
( -s )
Etymology: French, from an- + Greek orthos straight + French -ite; from its oblique crystals — more at : orth-
: a white, grayish, or reddish mineral consisting of feldspar of oblique triclinic crystallization, composed of calcium aluminum silicate CaAl 2 Si 2 O 8 , and occurring in many igneous rocks (hardness 6-6.5, specific gravity 2.74-2.76)
• an·or·thit·ic |a(ˌ)nȯr|thid.ik adjective