interfacial

[ in-ter-fey-shuhl ]

Phonetic (Standard)IPA

adjective

First recorded in 1830–40; inter- + facial

It crystallizes in rhombohedra belonging to the hexagonal system, having interfacial angles of 87 40′.

The crystals are prismatic in habit, and closely resemble topaz in form and interfacial angles.

The interfacial angles over the three edges of each triangle are all different.

April 19, 2024tortuous

[tawr-choo-uhs ]

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