what does iris mean



  1. 0 Votes

    “Iris” could be referring to several things.  An iris is a flowering plant, like this:


    (Picture of this Lousiana iris taken from Texas A&M University.)

    An iris is also the part of your eye around your pupil that looks colored, like this:


    (Picture taken from Biometrics.gov)

    IRIS can also refer to the Environmental Protection Agency’s (EPA) Integrated Risk Information System, which is a human health assessment program that evaluates information on health effects that may result from exposure to environmental contaminants.

  2. 0 Votes

    In Greek Mythology, Iris is a Goddess of the rainbow and also the messenger for the gods. The word “iris” also refers to the “pigmented, round, contractile membrane of the eye, suspended between the cornea and the lens and perforated by the pupil. It regulates the amount of light that enters the eye”, according to thefreedictionary.com. Iris is also a poetic word for rainbow. Another definition of iris is also the name of the beautiful flowering plants that consists of 260-300 species. And lastly if you are talking about IRIS which is a department in the EPA, it stands for Integrated Risk Information System.

    The EPA’s IRIS is a human health assessment program. The program evaluates information health effects believed to be caused by contaminants in the environment. The IRIS database is accessible online and provides information on 550 chemicals and its health effects. The program deals with human health assessments which relate to the EPA’s regulatory activities.

    The program has a collection of searchable documents. The documents describe health effects of substances. The database is maintained by the EPA’s National Center For Environmental Assessment.

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