orthorhombic

[ awr-thuh-rom-bik ]

Phonetic (Standard)IPA

adjective

, Crystallography.

noting or pertaining to a system of crystallization characterized by three unequal axes intersecting at right angles; rhombic; trimetric.

orthorhombic

/ ˌɔːθəʊˈrɒmbɪk /

crystallog relating to the crystal system characterized by three mutually perpendicular unequal axes Alsorhombictrimetric

orthorhombic

/ ôr′thō-rŏm′bĭk /

Relating to a crystal having three axes of different lengths intersecting at right angles. The mineral topaz has orthorhombic crystals.
See illustration at crystal

First recorded in 1865–70; ortho- + rhombic

Though closely resembling the tetragonal torbernite in form, it crystallizes in the orthorhombic system and is optically biaxial.

It crystallizes in the orthorhombic system and is isomorphous with stibnite (Sb2S3), which it closely resembles in appearance.

A sulphate of barium crystallizing in orthorhombic prisms usually of tabular habit.

Crystallizes in the orthorhombic system, usually in tabular form, but crystals not common.

Orthorhombic crystals common, usually prisms capped at one end by pyramided faces and abruptly terminated at the other.

April 24, 2024gallimaufry

[gal-uh-maw-free ]

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