Library / English Dictionary

    CONTAMINANT

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A substance that contaminatesplay

    Synonyms:

    contaminant; contamination

    Classified under:

    Nouns denoting substances

    Hypernyms ("contaminant" is a kind of...):

    material; stuff (the tangible substance that goes into the makeup of a physical object)

    Derivation:

    contaminate (make impure)

    Credits

     Context examples: 

    The application of a barrier substance to either the dentin or the dental pulp of a tooth which protects the tooth from contact with oral contaminants.

    (Dental Pulp Capping, NCI Thesaurus)

    Entities that treat wastewater and drinking water, plus companies that create and service technologies for removal of contaminants from water could greatly benefit from this technology.

    (Using a smartphone to detect norovirus, National Science Foundation)

    The researchers showed that, if it were possible to eliminate bisphenol contaminants completely, the effects would still persist for about three generations.

    (Reproductive Problems Reported In Lab Mice after BPA Replacements in Plastics, The Titi Tudorancea Bulletin)

    Researchers have previously developed disposable paper-based biosensors for cheap and convenient diagnosis of diseases and health conditions, as well as for detecting contaminants in the environment.

    (New Type of Battery Created from Paper, Fueled by Bacteria, The Titi Tudorancea Bulletin)

    Despite tremendous interest in microplastics, we are just beginning to understand the scale and effects of these ocean contaminants, said Dan Thornhill, a program director in NSF's Division of Ocean Sciences.

    (Microplastics million times more abundant in the ocean than previously thought, National Science Foundation)

    "Low levels of antibiotics are often found as environmental contaminants, for example, from widespread use in raising livestock," said Raghuveer Parthasarathy, one of the study's authors.

    (Impacts of low-dose exposure to antibiotics unveiled in zebrafish gut, National Science Foundation)

    Although often naturally occurring, these contaminants have made their way into water supplies and, via irrigation, into the food chain.

    (Experts warn of cardiovascular risk from heavy metal pollution, University of Cambridge)

    A naturally occurring, bright green, fibrous amphibole asbestos mineral found in metamorphic rocks and as a contaminant in amosite asbestos.

    (Actinolite Asbestos, NCI Thesaurus)

    Nitrosodipropylamine is found as a contaminant in cheese, alcoholic beverages, rubber products and certain herbicides.

    (Nitrosodipropylamine, NCI Thesaurus)

    Role of food and water contaminants in cancer causation or prevention and in general health.

    (Nutrition, Food and Water Contaminants, NCI Thesaurus)


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