Library / English Dictionary

    MANGANESE

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     I. (noun) 

    Sense 1

    Meaning:

    A hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many mineralsplay

    Synonyms:

    atomic number 25; manganese; Mn

    Classified under:

    Nouns denoting substances

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

    metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

    Holonyms ("manganese" is a substance of...):

    hausmannite (a mineral consisting of manganese tetroxide; a source of manganese)

    manganite (a black mineral consisting of basic manganese oxide; a source of manganese)

    psilomelane (a mineral consisting of hydrated basic oxide of manganese and barium; a source of manganese)

    pyrolusite (a mineral consisting of manganese dioxide; an important source of manganese)

    rhodochrosite (a mineral consisting of manganese carbonate; a source of manganese)

    Credits

     Context examples: 

    These include iron, manganese, copper, iodine, zinc, cobalt, fluoride and selenium.

    (Minerals, NIH)

    Evaux thermal spring water is rich in mineral elements particularly of lithium, strontium and manganese.

    (Evaux Spring Water-based Topical Spray, NCI Thesaurus)

    Nutritional supplement drink contains vitamin A, vitamin C, D, E and K, calcium, iron, thiamin, riboflavin, niacin, folate, vitamin B6, vitamin B12, pantothenic acid, biotin, phosphorus, iodine, magnesium, zinc, selenium, copper, manganese, chromium, molybdenum, chloride and choline.

    (Nutritional Supplement Drink, NCI Thesaurus)

    Nutritional supplement drink (pediatric) contains vitamins and minerals such as vitamin A, vitamin C, D, E and K, calcium, iron, thiamin, riboflavin, niacin, folate, vitamin B6, vitamin B12, pantothenic acid, biotin, phosphorus, iodine, magnesium, zinc, selenium, copper, manganese, chromium, molybdenum, chloride and choline.

    (Pediatric Nutritional Supplement Drink, NCI Thesaurus)

    METAP2, a member of the methionyl aminopeptidase family, binds two cobalt or manganese ions and protects the alpha subunit of eukaryotic initiation factor 2 (EIF2) from inhibitory phosphorylation by removing the amino-terminal methionine residue from nascent protein; this aminopeptidase may be overexpressed in a variety of tumor cell types.

    (Fumagillin-Derived Polymer Conjugate XMT-1107, NCI Thesaurus)

    Other ingredients in green tea extract-based antioxidant supplement include dry cinnamon extract, germanium, zinc sulfate, manganese sulfate, arginine, cysteine, malic acid, ascorbic acid (vitamin c), glycyrrhizinic acid, glycine, glucosamine, pyridoxal (vitamin B6), calcium pantothenate (vitamin B5), folic acid, cyanocobalamin (vitamin B12).

    (Green Tea Extract-based Antioxidant Supplement, NCI Thesaurus)

    They also observed lower uptake of manganese in children with autism, both before and after birth.

    (Baby teeth link autism and heavy metals, NIH)

    While Mars' famous red iron oxides require only a mildly oxidizing environment to form, manganese oxides require a strongly oxidizing environment, more so than previously known for Mars.

    (NASA Rover Findings Point to a More Earth-like Martian Past, NASA)

    The results are interesting but not enough to draw conclusions about the merits of manganese and selenium supplements in lead-exposed people.

    (Micronutrients can counter lead effects in blood pressure, SciDev.Net)

    Although manganese is an essential nutrient, it can also be toxic at high doses.

    (Baby teeth link autism and heavy metals, NIH)


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