rhombic

Meanings

1. 1
   adj

   having the shape or characteristics of a rhombus, with four equal sides and opposite angles equal

   The crystal broke into thin rhombic plates with sharply sloping corners.

2. 2
   adj

   relating to a crystal form or system characterized by rhombus-shaped faces or sections

   Sulfur can crystallize in a stable rhombic form at room temperature.

Formed from rhomb or rhombus + -ic. Rhombus came through Latin rhombus from Greek rhombos, a word for a spinning object and later a lozenge-shaped figure. The adjective extended the geometric shape name into crystallography and descriptions of natural structures.

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