triclinic

American  

[trahy-klin-ik] / traɪˈklɪn ɪk /

adjective

Crystallography.

1. noting or pertaining to a system of crystallization in which the three axes are unequal and intersect at oblique angles.

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triclinic British  

/ traɪˈklɪnɪk /

adjective

1. Also: anorthic.  relating to or belonging to the crystal system characterized by three unequal axes, no pair of which are perpendicular

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triclinic Scientific  

/ trī-klĭn′ĭk /

1. Relating to a crystal having three axes of different lengths intersecting at oblique angles. The mineral microcline (a type of feldspar) has triclinic crystals.

2. See illustration at crystal

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Etymology

Origin of triclinic

1850–55; tri- + Greek klī́n ( ein ) to lean ¹, slope + -ic

Example Sentences

Under these high-pressure and high-temperature conditions, the rubidium niobate underwent a structural transformation from a complex triclinic phase at ambient pressure phase into a 26 % denser orthorhombic perovskite-type structure.

From Science Daily • Apr. 25, 2024

The felspar microliths, which constitute so large a proportion of the ground-mass in the Etna lavas, are in most instances probably triclinic.

From Etna A History of the Mountain and of its Eruptions by Rodwell, G. F.

All the sodium, sodium-calcium, and calcium species are triclinic, except the rare monoclinic sodium felspar barbierite.

From The New Gresham Encyclopedia Volume 4, Part 3: Estremoz to Felspar by Various

A mineral occurring in triclinic crystals approaching pyroxene in angle, and of a greenish black color.It is a silicate of iron, manganese, and lime.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

Orthoclase is orthoclastic and monoclinic; all the other feldspars are plagioclastic and triclinic.

From The Student's Elements of Geology by Lyell, Charles, Sir