Definitions
from The Century Dictionary.
- Without right angles.
- In mineralogy, having unequal oblique axes; triclinic: as, anorthic feldspar.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Min.) Having unequal oblique axes.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective crystallography Having three
unequal axes thatintersect obliquely
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective having three unequal crystal axes intersecting at oblique angles
Etymologies
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Examples
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In the sixth and last system, the triclinic -- or anorthic, or asymmetric -- the axes are again three, but in this case, none of them are equal and none at right angles.
The Chemistry, Properties and Tests of Precious Stones John Mastin
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The mineral was named (from [Greek: axinê], an axe) by R.J. Haüy in 1799, on account of the characteristic thin wedge-like form of its anorthic crystals.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1 "Austria, Lower" to "Bacon" Various
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