ANORTHITE
A*nor"thite, n. Etym: [Gr.
Defn: A mineral of the feldspar family, commonly occurring in small glassy crystals, also a constituent of some igneous rocks. It is a lime feldspar. See Feldspar.
ANORTHOCLASE
A*nor"tho*clase, n. [Gr. priv. + orthoclase.] (Min.)
Defn: A feldspar closely related to orthoclase, but triclinic. It is chiefly a silicate of sodium, potassium, and aluminium. Sp. gr., 2.57 — 2.60.
ANORTHOPIA
An`or*tho"pi*a, n. [NL., fr. Gr. priv. + ortho- + Gr. , , the eye.]
(Med.)
Defn: Distorted vision, in which straight lines appear bent.
ANORTHOSCOPE
A*nor"tho*scope, n. Etym: [Gr. -scope.] (Physics)
Defn: An optical toy for producing amusing figures or pictures by means of two revolving disks, on one of which distorted figures are painted.
ANORTHOSITE A*nor"tho*site, n. [F. anorthose triclinic feldspar (fr. Gr. priv. + straight) + -ite.] (Petrol.)
Defn: A granular igneous rock composed almost exclusively of a soda- lime feldspar, usually labradorite.