TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

MONOAXIAL [1 record]

Record 1 2010-10-09

English

Subject field(s)
  • Mineralogy
DEF

[Said of] crystals having one direction of apparent isotropy, i.e., one optic axis, corresponding to the unique direction of axial symmetry in the hexagonal, trigonal, and tetragonal crystal systems.

French

Domaine(s)
  • Minéralogie
DEF

Se dit d'un cristal possédant un seul axe optique, comme les cristaux des systèmes quadratique et hexagonal.

CONT

Un tel milieu est dit «monoaxe» ou «uniaxe», car il a une seule direction d'isotropie. Il y a monoréfringence suivant cette direction qui est l'axe optique.

CONT

Les cristaux qui, comme la calcite, possèdent un seul axe optique sont appelés «uniaxes». Ils appartiennent aux systèmes tétragonal, hexagonal ou rhomboédrique.

Spanish

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