holohedral

[hol-uh-hee-druhl, hoh-luh-]

adjective

1. (of a crystal) having all the planes or faces required by the maximum symmetry of the system to which it belongs.

holohedral

/ ˌhɒləˈhiːdrəl /

adjective

1. (of a crystal) exhibiting all the planes required for the symmetry of the crystal system

Other Word Forms

• holohedrism noun
• holohedry noun

Word History and Origins

Origin of holohedral¹

First recorded in 1830–40; holo- + -hedral

Example Sentences

The remaining simple forms are “hemihedral with parallel faces,” and from the corresponding holohedral forms two hemihedral forms, a positive and a negative, may be derived.

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These systems, however, only represented holohedral forms, leaving the hemihedral and tetartohedral classes to be explained.

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Combinations of holohedral tetragonal forms are shown in figs. 47-49; fig.

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