Definition of incidence in English:

incidence

noun

  • 1The occurrence, rate, or frequency of a disease, crime, or other undesirable thing:

    ‘an increased incidence of cancer’
    • ‘Prostate cancer has the highest incidence rate among men, and it gets a lot of attention from the media too.’
    • ‘The value to researchers is that such studies can be most successful in tracking incidences of various common diseases.’
    • ‘The authors also cautioned that low infant mortality and longer life expectancy tend to increase the incidence and prevalence of cancer.’
    • ‘However, he warned if current weather conditions persisted, then the number of reported incidences would increase.’
    • ‘The incidence of various diseases, including cancer, increases with age.’
    • ‘Panchayats should take the initiative to reduce the incidence of the disease at grass-root levels.’
    • ‘Careful selection of cloves at planting can reduce the incidence of this disease.’
    • ‘Furthermore, the implementation of a surveillance system may artefactually increase the incidence of a disease.’
    • ‘Research from Britain indicates that poor quality housing can increase the incidence of stress and mental illness.’
    • ‘The incidence of car crime is less than one reported incident per 20,000 car movements.’
    • ‘The incidence of crime in most categories has increased in Co Mayo.’
    • ‘I am advised that police have adopted a wide range of measures targeted at reducing the incidence of crime.’
    • ‘Higher temperatures will mean increased incidences of vector-borne diseases like malaria, dengue and measles.’
    • ‘The incidence of kidney disease has increased significantly in recent years.’
    • ‘Low prevalence is due to a low incidence of the disease but also a high mortality rate.’
    • ‘There is nothing arbitrary or accidental about the incidence of disease.’
    • ‘Trees can help reduce the incidence of respiratory diseases as well as lung cancer.’
    • ‘We estimated relative risks with rate ratios comparing the incidence of stroke in a particular fifth of dietary intake with that of the lowest fifth.’
    • ‘There are different skull shapes, different frequencies of blood types, different incidences of heritable diseases.’
    • ‘Food irradiation, it argues, reduces the incidence of food-borne diseases.’
    occurrence, prevalence, commonness
    rate, frequency
    amount, degree, quantity, extent
    View synonyms
    1. 1.1 The way in which the burden of a tax falls upon the population:
      ‘the entire incidence falls on the workers’
      • ‘Tax incidence is clearly an important issue - where does the burden really fall?’
      • ‘In practice, the eventual receipts of any party will be reduced by the incidence of income tax.’
      • ‘Answers to these questions involve the incidence of taxation and, therefore, its distribution.’
      • ‘It is commercial to take into account the possible incidence of double taxation in jurisdictions outside Australia.’
      • ‘For example, he treated the incidences of taxes on capital and land in lieu of examining the effects of a property tax per se.’
  • 2Physics
    [mass noun] The intersection of a line, or something moving in a straight line, such as a beam of light, with a surface:

    ‘the point of incidence of the beam’
    • ‘With grazing incidence diffraction a monoclinic tilted chain lattice is found in the condensed phase.’
    • ‘The optical output to which a given beam travels depends on the beam's respective direction of incidence.’
    • ‘Due to the glancing incidence of the ion beam, argon is not implanted into the sample surface.’

Origin

Late Middle English (denoting a casual or subordinate event): from Old French, or from medieval Latin incidentia, from Latin incidere fall upon, happen to (see incident). incidence dates from the early 19th century.

Pronunciation:

incidence

/ˈɪnsɪd(ə)ns/