Definition of modality noun from the Oxford Advanced Learner's Dictionary

     

    modality

     noun
    noun
    BrE BrE//məʊˈdæləti//
     
    ; NAmE NAmE//moʊˈdæləti//
     
    (pl. modalities)
     
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  1. 1[countable] (formal) the particular way in which something exists, is experienced or is done They are researching a different modality of treatment for the disease.
  2. 2 [uncountable] (linguistics) the idea expressed by modals
  3. 3[countable] (biology) the kind of senses that the body uses to experience things the visual and auditory modalities
  4. Word Origin early 17th cent.: from medieval Latin modalitas, from modalis, from Latin modus ‘measure’, from an Indo-European root shared by mete; compare with mood in its grammatical sense.
See the Oxford Advanced American Dictionary entry: modality