isotropic
/,aisou'trɔpik/ Cách viết khác : (isotropous) /ai'sɔtrəpəs/
Definition
- Adjective:
- Having the same physical properties in all directions: A material or medium is described as isotropic when its characteristics, such as elasticity, conductivity, or refractive index, do not depend on the direction in which they are measured. It is the opposite of anisotropic.
Usage
The term "isotropic" is primarily used in scientific and technical contexts, particularly in physics, materials science, and engineering. It describes substances or fields that are uniform in all orientations from a given point.
Examples
- Adjective:
- Glass is an isotropic material, meaning light travels through it at the same speed regardless of direction.
- The cosmic microwave background radiation is remarkably isotropic, appearing nearly the same in every direction we look.
- In an isotropic universe, there is no preferred direction on large scales.
Advanced Usage
- "Isotropic radiation": Radiation that has the same intensity in all directions.
- An ideal point source would emit isotropic radiation.
- "Isotropic turbulence": A state of turbulent flow where the statistical properties are independent of direction.
- The theory often assumes isotropic turbulence to simplify the complex equations.
Variants and Related Words
- Isotropy (n): The property or condition of being isotropic.
- The isotropy of the material makes it easier to model.
- Isotropically (adv): In an isotropic manner.
- The heat was conducted isotropically through the substance.
Synonyms
- Uniform (in all directions)
- Non-directional
- Omnidirectional (often for radiation or signal propagation)
Antonyms
- Anisotropic: Having physical properties that vary with direction.
- Wood is anisotropic; it is stronger along the grain than across it.
Adjective
-
invariant with respect to direction
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