Definitions for Incidenceˈɪn sɪ dəns

This page provides all possible meanings and translations of the word Incidence

Random House Webster's College Dictionary

in•ci•denceˈɪn sɪ dəns(n.)

  1. the rate or range of occurrence or influence of something.

  2. occurrence; happening.

  3. the striking of a ray of light, beam of electrons, etc., on a surface, or the direction of striking.

    Category: Optics, Physics

    Ref: angle of incidence (def. 1). 1

Origin of incidence:

1375–1425

Princeton's WordNet

  1. incidence, relative incidence(noun)

    the relative frequency of occurrence of something

  2. incidence(noun)

    the striking of a light beam on a surface

    "he measured the angle of incidence of the reflected light"

Wiktionary

  1. incidence(Noun)

    The act of something happening; occurrence

  2. incidence(Noun)

    The extent, or the relative frequency of something happening

  3. incidence(Noun)

    The striking of radiation or a projectile upon a surface

  4. incidence(Noun)

    A measure of the risk that a person develops a new condition within a specified period of time, usually a year.

Webster Dictionary

  1. Incidence(noun)

    a falling on or upon; an incident; an event

  2. Incidence(noun)

    the direction in which a body, or a ray of light or heat, falls on any surface

Freebase

  1. Incidence

    Incidence is a measure of the risk of developing some new condition within a specified period of time. Although sometimes loosely expressed simply as the number of new cases during some time period, it is better expressed as a proportion or a rate with a denominator. Incidence proportion is the number of new cases within a specified time period divided by the size of the population initially at risk. For example, if a population initially contains 1,000 non-diseased persons and 28 develop a condition over two years of observation, the incidence proportion is 28 cases per 1,000 persons, i.e. 2.8%.

U.S. National Library of Medicine

  1. Incidence

    The number of new cases of a given disease during a given period in a specified population. It also is used for the rate at which new events occur in a defined population. It is differentiated from PREVALENCE, which refers to all cases, new or old, in the population at a given time.

British National Corpus

  1. Nouns Frequency

    Rank popularity for the word 'Incidence' in Nouns Frequency: #2031

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