incidence

A noun referring to the rate or frequency at which something, especially an event or condition, occurs or happens.

ruСуществительное, обозначающее частоту или уровень, с которым происходит что-либо, особенно событие или состояние.esSustantivo que denota la frecuencia o tasa con la que ocurre algo, especialmente un evento o una condición; también puede referirse a un hecho o suceso particular, o al alcance o efecto de algo.frNom désignant la fréquence ou le taux auquel quelque chose se produit, en particulier un événement ou une condition médicale.deSubstantiv, das die Häufigkeit oder das Ausmaß angibt, mit dem etwas geschieht, insbesondere ein Ereignis oder ein Zustand.ptSubstantivo que designa a frequência ou o nível com que algo acontece, especialmente um evento ou condição; também pode se referir à ocorrência de uma doença ou fenômeno numa população.zh名词，指某事（尤指事件或状况）发生的频率或程度。arاسم يدل على معدل حدوث شيء ما أو مدى تكراره، وخاصة الأحداث أو الحالات، كما يشير في السياقات الطبية إلى عدد الحالات الجديدة في فترة زمنية معينة.

1. Frequency of occurrence B2 formal

   The rate or extent to which something happens or is present.

   • The incidence of flu cases increases during winter.
   • Researchers studied the incidence of heart disease in the population.
   • There is a high incidence of crime in that area.

   ruЧастота возникновенияesincidencia (frecuencia de ocurrencia)frincidence (fréquence d'apparition)deHäufigkeit des AuftretensptIncidênciazh发生率arمعدل الحدوث

   Synonyme: amountextentfrequencyoccurrenceprevalencerate

2. Striking of a light beam C1 formal scientific

   The arrival of a ray of light, or other radiation, at a surface.

   • The angle of incidence determines how much light is reflected.
   • The incidence of the laser beam on the mirror was carefully measured.
   • In optics, the incidence of light is studied at various angles.

   ruПадениеesIncidencia de la luzfrIncidence d'un rayon lumineuxdeEinfallptIncidênciazh入射arسقوط

   Synonyme: arrivalfallinghittingimpingementstriking

• incidences plural form
• incidences' possessive plural form
• incidence's possessive singular form