Definition of adaptationism in English:

adaptationism

noun

Biology
  • [mass noun] The axiom or assumption that each feature of an organism is the result of evolutionary adaptation for a particular function.

    • ‘That's the continental tradition as much as adaptationism is the English tradition.’
    • ‘This joint consideration of Darwinian adaptationism and ecology has, in fact, produced the discipline of behavioral ecology.’
    • ‘It is of course a short step from these premises to the view that adaptation is a universal moulder of forms and behaviour, and adaptationism a universal acid for dissolving away scientific problems.’
    • ‘The point of the critique of adaptationism, as Brandon reads it, was to remind us that factors other than selection are relevant to understanding the emergence of evolutionary patterns.’
    • ‘This makes adaptationism a powerful method for explaining why we think the way we do - but it does not mean that it is the only way of explaining it, or that it should be the preferred one.’

Pronunciation:

adaptationism

/adəpˈteɪʃ(ə)nɪz(ə)m/