Word Study
orthorhombic
CIDE DICTIONARY
orthorhombic, a. [Ortho- + rhombic.].
Noting the system of crystallization which has three unequal axes at right angles to each other; trimetric. See Crystallization. [1913 Webster]
OXFORD DICTIONARY
orthorhombic, adj. Crystallog. (of a crystal) characterized by three mutually perpendicular axes which are unequal in length, as in topaz and talc.
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