Meaning of isotropic in English:


Pronunciation /ˌʌɪsə(ʊ)ˈtrɒpɪk/


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

    Often contrasted with anisotropic

    ‘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.