noun
triclinic crystal system
Technical term in geology and crystallography for the crystal system with three unequal axes all intersecting at oblique angles.
三斜晶系に属する鉱物は、結晶軸がすべて斜めに交わる。
Minerals belonging to the triclinic crystal system have crystal axes that all intersect at oblique angles.
Compound of 三 (three), 斜 (oblique), and 晶系 (crystal system), describing the three oblique axes characteristic of this crystal system.