anorthic
Britishadjective
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012Etymology
Origin of anorthic
C19: from an- + ortho- + -ic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
CYANITE, a native aluminium silicate, Al2SiO5, crystallizing in the anorthic system.
From Project Gutenberg
In anorthic crystals there is no relation between the optical and crystallographic directions, and the exact determination of the optical orientation is often a matter of considerable difficulty.
From Project Gutenberg
Although the crystals of all felspars present a general resemblance in habit, they are usually regarded as belonging to two systems, some felspars being monoclinic and others anorthic.
From Project Gutenberg
It is a calcium and aluminium silicate, CaAl2Si2O3, and crystallizes in the anorthic system.
From Project Gutenberg
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.
From Project Gutenberg
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