Definition

1. Adjective:
   • Having two axes: Describes an object, system, or crystal that possesses or is defined by two distinct axes. This term is often used in physics, optics, and crystallography to describe materials with two optical axes or directions of symmetry.

Usage Examples

• Adjective:
  • Calcite is a classic example of a biaxal mineral.
  • The biaxal nature of the crystal affects how light passes through it.

Advanced Usage

• Technical Context: In optics, "biaxal" is synonymous with "biaxial" and is used to classify crystals based on their optical properties. A biaxal crystal has two optic axes along which light propagates without double refraction.
  • The study focused on the refractive indices of the biaxal sample.

Variants and Related Words

• Biaxial (adj): The more common modern spelling, having the same meaning ("having two axes").
  • Biaxial stress is a key concept in materials engineering.

Synonyms

• Two-axial: Having two axes.
• Diaxial: (In specific technical contexts) Having or relating to two axes.

Antonyms

• Uniaxial: Having a single axis.
• Isotropic: Having identical properties in all directions.

Adjective

1. having two axes
   • biaxial crystals