Definition of interaction in English:



  • 1[mass noun] Reciprocal action or influence.

    ‘ongoing interaction between the two languages’
    • ‘There is no human contact, just interaction between text and the reader.’
    • ‘There is a lot of interaction between boys and girls, rural kids and town kids and also the parents.’
    • ‘What sorts of interaction between semantic and non-semantic features can be expected?’
    • ‘If no interaction between two drugs is listed, does that mean no interaction exists?’
    • ‘Not all drug interactions are known or reported in the literature, and new drug interactions are continually being reported.’
    • ‘There has been interaction between the two cities for more than a thousand years.’
    • ‘Influences may change over time, and interaction between them is negative and positive.’
    • ‘There was no interaction between the minister and the department over this matter.’
    • ‘The interaction between the various walks of life inside the team was what made it so great.’
    • ‘She said there was little positive interaction between officers and prisoners.’
    • ‘It all comes down to the interaction between movement of people and the labour market.’
    • ‘Globalization of economies means interaction between them on a much higher scale.’
    • ‘I personally think this is correct, and there is interaction between the two populations.’
    • ‘The interaction between land and sea is not dealt with very well in any other game of which I know.’
    • ‘The possibilities of the interaction between states intrigues me, obviously.’
    • ‘There will be no need or time for interaction between the two sets of pupils.’
    • ‘We want to encourage interaction between local people and people in the centres.’
    • ‘She said a key theme was the interaction between the private and voluntary sectors.’
    • ‘There followed a centuries-long period of interaction between the rulers of Sudan and Egypt.’
    • ‘There has been a lot of interaction between the two towns during the last ten years.’
    1. 1.1Physics A particular way in which matter, fields, and atomic and subatomic particles affect one another, e.g. through gravitation or electromagnetism.
      • ‘So you have now a chance to look at light matter interactions on a very small scale.’
      • ‘The protons are set in motion and, being charged, they again deposit energy through electrical interactions.’
      • ‘Physics is the science which deals with properties and interactions of matter and energy.’
      • ‘It is the quantum theory that describes the interaction between light and electric and magnetic forces.’
      • ‘The interaction with the first entangled light beam meant the original laser beam was lost in the process.’