Definition of isotropic in English:



  • 1Physics
    (of an object or substance) having a physical property which has the same value when measured in different directions.

    • ‘Because the bonds are not symmetrical, glass is isotropic and has no definite melting point.’
    • ‘In isotropic ethanol solutions efficient intersystem crossing is observed with quantum yields around 0.5 being reported.’
    • ‘In thin section, however, it is a brilliant green, isotropic mineral.’
    • ‘For a purely linearly isotropic material, a single constant suffices to describe the sample elasticity.’
    • ‘Thus, equations for isotropic mixtures of phase domains are not applicable.’
    • ‘In a homogeneous and mechanically isotropic medium, two types of body waves are generated.’
    1. 1.1(of a property or phenomenon) not varying in magnitude according to the direction of measurement.
      • ‘Interestingly, several isotropic fluorescence times were found to coexist, indicating structural heterogeneity of the DNA.’
      • ‘The system was simulated at constant isotropic pressure of 1 atm applied independently to each box dimension.’
      • ‘In isotropic spreading, retraction of [alpha] actinin is limited until cells are over half spread.’
      • ‘Germination of wild-type spores is initiated by an isotropic growth phase generating spherical germ cells.’
      • ‘At the bulging stage, the site of primordium initiation shows an intensified expansion that is nearly isotropic.’


Mid 19th century from iso-‘equal’ + Greek tropos ‘a turn’ + -ic.