tetartohedral

[ ti-tahr-toh-hee-druhl ]

adjective

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

tetartohedral

/ tɪˌtɑːtəʊˈhiːdrəl /

adjective

1. (of a crystal) having one quarter of the number of faces necessary for the full symmetry of its crystal system

Derived Forms

• teˌtartoˈhedrally, adverb
• teˌtartoˈhedralism, noun

Other Words From

• te·tarto·hedral·ly adverb
• te·tarto·hedrism noun

Word History and Origins

Origin of tetartohedral¹

1855–60; < Greek tétarto ( s ) one fourth + -hedral

Word History and Origins

Origin of tetartohedral¹

C19: from Greek tetartos one fourth + -hedral

Example Sentences

This is bounded by twelve irregular pentagons, and is a tetartohedral or quarter-faced form of the hexakis-octahedron.

From Project Gutenberg

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

From Project Gutenberg