Definition of derivational in US English:

derivational

adjective

  • See derivation

    • ‘Presumably, children would rely on the consistent phoneme-to-grapheme conversion rules to spell regular words whereas they might rely on derivational relations to spell morphological words.’
    • ‘In English, there are some derivational morphemes, such as ity, which dramatically affect the phonological shape of the stem.’
    • ‘However, the assumptions that are the ‘building blocks ‘of the derivational dating methods of the physical world are severely cracked.’’
    • ‘We also have a few derivational processes with similar functions, like bride-to-be and ex-mayor.’
    • ‘Good examples of the former are the special issues in journals on experimental studies of inflectional, morphemic compounding, and derivational morphology in relation to learning to read and spell.’

Pronunciation

derivational

/-SHənl/