Definition of interfacial in English:


Pronunciation /ˌin(t)ərˈfāSH(ə)l/ /ˌɪn(t)ərˈfeɪʃ(ə)l/


  • 1Included between two faces of a crystal or other solid.

    • ‘The alcohol molecules replace the interfacial water molecules.’
    • ‘The study of water crystallization and melting in the Lanreotide acetate samples showed the existence of three different water states: bulk water, interfacial water, and nonfreezing water.’
    • ‘The lines represent the free energy of the interfacial water between the faces of adjacent quarterspheres.’
    • ‘The residence times of the interfacial water molecules appear to depend most strongly upon the degree of exposure of the hydration site to bulk solvent.’
  • 2Relating to or forming a common boundary between two portions of matter or space.

    • ‘Once a nucleus of the new phase exceeds a critical size, movement of constituents across the interfacial boundary commonly increases any one dimension at a constant rate.’
    • ‘Of particular interest in these studies has been the ability to map singlet oxygen diffusion across an interfacial boundary into a different phase-separated domain.’
    • ‘The present study tests the possibilities that the proteins might promote adsorption either by producing a more fluid bilayer or by creating interfacial boundaries.’
    • ‘We observe association of all ion types in the interfacial region.’
    • ‘The interfacial layer can form both at an air/water and an immiscible liquid/water interface.’



/ˌin(t)ərˈfāSH(ə)l/ /ˌɪn(t)ərˈfeɪʃ(ə)l/