English

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Etymology

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From irritation +‎ -al.

Adjective

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irritational (not comparable)

  1. Relating to irritation.
    • 2015 September 12, “Association of Psychosocial Conditions, Oral Health, and Dietary Variety with Intellectual Activity in Older Community-Dwelling Japanese Adults”, in PLOS ONE[1], →DOI:
      In contrast, for healthy persons without a history of dental disease, there is insufficient evidence to determine the effects of oral prophylaxis (i.e., the removal of plaque, calculus and stain from exposed and unexposed surfaces of the teeth by scaling and polishing as a preventive measure for the control of local irritational factors).