Definition of trace element in English:

trace element


  • 1A chemical element present only in minute amounts in a particular sample or environment.

    • ‘The trace element and isotopic characteristics of these dykes imply derivation from an asthenospheric mantle source, which is likely to occur only as a result of regional lithospheric extension.’
    • ‘Copper is a constituent of fungicides as well as a trace element in fertilizers.’
    • ‘It was later identified that molybdenum was the most abundant trace element present in the soluble and insoluble extractions of the wood-ash.’
    • ‘The trace element (of thiomersal) is so small we are not concerned about it.’
    • ‘IUPAC has published the results of studies on trace elements in the environment, pesticides in water, and a glossary of atmospheric weather terms.’
    • ‘They also suggest that, once it has been harvested, the plant could be transported to sites with very low levels of boron, helping to add the trace element to the soil in regions where it is boron deficient.’
    • ‘DU is the trace element left over when uranium is enriched; most of the highly radioactive types of uranium are removed for use as nuclear fuel or nuclear weapons.’
    • ‘Also, aragonite tends to have much higher amounts of strontium as a trace element in the calcium carbonate.’
    • ‘Not only must the occurrence of a specific trace element be determined, but also its concentration in order to compose the particular chemical map.’
    • ‘In fact, every trace element present in a crystal's mineral makeup adds in some way to its healing effects.’
    • ‘And the fire marshal's conclusion about the likely cause of the fire - a faulty heat trace element attached to a utilidor line - is unremarkable.’
    • ‘The mystery was solved in 1939 when fluoride was identified as a trace element in local drinking water.’
    1. 1.1 A chemical element required only in minute amounts by living organisms for normal growth.
      • ‘Other factors that affect response to organic trace minerals may include the particular trace element, binding affinity between the trace element and chelating agent, and the dietary concentration of the trace element.’
      • ‘A review study in 2001 reported that selenium, an essential trace element, is necessary for the functioning of an enzyme that protects against oxidative damage to cell structures.’
      • ‘Other ingredients include enzymes, amino acids, trace elements and vitamins.’
      • ‘Selenium is a trace element that has antioxidant properties.’
      • ‘A diet high in sugar can deplete your body's supply of chromium, a trace element responsible for helping insulin transport glucose into cells and for aiding the cellular uptake of amino acids into your system.’
      • ‘Molybdenum is a trace element found in the soil and is required for growth of most biological organisms including plants and animals.’
      • ‘Selenium is a trace element and is found as a component of several prokaryotic and eukaryotic enzymes that are involved in redox reactions.’
      • ‘Cysteine can be given orally to increase GSH or to chelate trace elements in the gut, thereby decreasing absorption of both cysteine and the trace element.’
      • ‘It's an essential trace element that helps keep the immune system humming and free radicals under control.’
      • ‘One earlier study had tested whether selenium, a trace element, could help prevent non-melanoma skin cancer.’
      • ‘It crops up in milk of magnesia, and as Epsom salts (magnesium salts are catastrophically laxative…), but it is also an essential trace element, required for the normal function of virtually every organ.’
      • ‘However, what are known as micronutrients - vitamins and trace elements - can poison if taken in excessive quantities.’
      • ‘It has long been suspected that selenium, a trace element found in tiny quantities in foods such as grains, fish and liver, is important in human health, but the exact amounts needed were unknown.’
      • ‘Now cultivated in laboratories, HSOs are grown in a substrate of nutrient-rich superfoods containing naturally occurring vitamins, minerals, trace elements, live enzymes, and proteins.’
      • ‘Millions of people are obsessed with chocolate for its softness and sweetness, but few know that chocolate is also rich in one trace element - copper.’
      • ‘Selenium is a trace element found in meats and grains, but dietary intake can vary by geographic area because of different concentrations of the element in the soil.’
      • ‘Selenium is an essential dietary trace element required for mammals including humans to light against various diseases including cancer.’
      • ‘This trace element is a known antioxidant.’
      • ‘Zinc, a trace element that influences cell metabolism through a variety of mechanisms, appears to play an integral role in maintaining normal ocular function.’
      • ‘Selenium is a trace element that is indispensable for mammals, and it is present in each organ and body fluid.’


trace element

/trās ˈeləmənt//treɪs ˈɛləmənt/