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orthoceratite |
orthochorea |
orthochromatic film |
orthoclase |
orthoclastic |
orthodiagonal
| orthodome
| orthodontia
| orthodontic
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orthodiagonal
CIDE DICTIONARY
orthodiagonal, n. [Ortho- + diagonal.].
The diagonal or lateral axis in a monoclinic crystal which is at right angles with the vertical axis. [1913 Webster]
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