heavy metal

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metal

 [met´'l]
any chemical element marked by luster, malleability, ductility, and conductivity of electricity and heat, and which will ionize positively in solution. adj., adj metal´lic.
alkali metal one of a group of monovalent elements including lithium, sodium, potassium, rubidium, and cesium.
metal fume fever an occupational disorder with malaria-like symptoms occurring in those engaged in welding and other metallic operations and due to the volatilized metals. It includes brassfounder's fever (brass chill, brazier's chill) and spelter's fever (zinc chill, zinc fume fever).
heavy metal one with a high specific gravity, usually defined to be above 5.0.
heavy metal poisoning poisoning with any of the heavy metals, particularly antimony, arsenic, cadmium, lead, mercury, thallium, or zinc.
noble metal a metal that is highly resistant to oxidation and corrosion.

heav·y met·al

a metal with a high specific gravity, typically larger than 5, for example, Fe, Co, Cu, Mn, Mo, Zn, V.

heavy metal

a metallic element with a specific gravity five or more times that of water. The heavy metals include antimony, arsenic, bismuth, cadmium, cerium, chromium, cobalt, copper, gallium, gold, iron, lead, manganese, mercury, nickel, platinum, silver, tellurium, thallium, tin, uranium, vanadium, and zinc. Small amounts of many of these elements are common and necessary in the diet. Large amounts of any of them may cause poisoning.
Toxicology A metal that is 5 times heavier than water and often toxic, a feature linked to the heavy metal’s tight cationic binding to circulating proteins
Examples Antimony, arsenic, bismuth, cadmium, copper, lead, mercury; cells respond to heavy metals by upregulating transcription of various genes—e.g., the eukaryotic heat shock system, metallothioneins, prokaryotic mercury resistance gene and iron uptake systems
Management EDTA chelation
Vox populi Metal A style of energetic, loud rock music

heavy metal

Toxicology A metal that is 5 times heavier than water and often toxic, a feature linked to the HM's tight cationic binding to circulating proteins Examples Antimony, arsenic, bismuth, cadmium, copper, lead, mercury; cells respond to HMs by ↑ transcription of various genes–eg, the eukaryotic heat shock system, metallothioneins, prokaryotic mercury resistance gene and iron uptake systems Clinical General, fine tremor, speech slurring, stomatitis, drooling, cataracts, neurasthenia Treatment EDTA chelation. See Mad Hatter, Minamata disease, Queen of Poisons, Pink disease.

heavy metal

any element with an atomic number greater than 20.

Heavy metal

One of 23 chemical elements that has a specific gravity (a measure of density) at least five times that of water.
Mentioned in: Heavy Metal Poisoning

Patient discussion about heavy metal

Q. I was told that platinum is used in fragrances for the fullness of the spray. Please tell me more! Three years ago I was diagnosed with off the lab chart levels of platinum in my body. I have no hobby or avenue for exposure other than my work. I have sold fragrances for over ten years. Even the Regional EPA Air Quality person doesnt know where I am getting this. I was told by a health director who made some calls. He told me that platinum is used in fragrances for the "fullness of the spray". Would you please tell me more about this? Thank you!

A. Thank you Joseph83! What list of materials shall I look at? I know that the FDA doesn't regulate these products; also, I wonder if there is a masking name for platinum. I have so much of this in me, it just has to come from somewhere! I'm amazed that the EPA SUPPOSEDLY doesn't know where its coming from either.

More discussions about heavy metal
References in periodicals archive ?
Cope's Black Sabbath and the Rise of Heavy Metal Music.
Metal Heads: Heavy Metal Music and Adolescent Alienation.
They were randomly assigned to one of three experimental groups: A group that listened to heavy metal music that had been pretested and judged to have violent lyrics (n=11; the songs were "Bloodmeat" and "Limb from Limb" performed by Protest the Hero), and a group that listened to similar heavy metal songs pretested and judged to have no violent lyrics (n=12; the songs were "Bounce," "Old School Hollywood," and "I-E-A-I-A-I-O" performed by System of a Down), and a control group that listened to no music at all and sat silently in the room waiting for the next part of the experiment.
As the author stated in the opening line of the text, Black Sabbath and the Rise of Heavy Metal Music was supposed to be about the music itself.
The spread of heavy metal to other countries a decade after its conception has meant Birmingham is not immediately recognized as a localized center of heavy metal music.
The content of heavy metal music lyrics evolved from a society which was very identified with drug use, changing sexual mores, and the general social upheaval associated with the 1960's.
Intelligent teenagers often listen to heavy metal music to cope with the pressures associated with being talented, according to research.
A musical of Dante Alighieri's The Divine Comedy has stirred controversy by putting rock, punk, and heavy metal music into the scenes in hell, but the priest-composer is not condemning the music.
Marco Frisina, a composer and liturgist for the Rome diocese, has composed an extravagant musical version of Dante's "The Divine Comedy," featuring symphonic music in heaven, Gregorian chant in purgatory, and rock, punk and heavy metal music in hell.
With their hard-core sound, they are on their way to becoming a household name in the heavy metal music scene.
To streamline editorial processes, amplify brand identity and attract more traffic to its site, a heavy metal music magazine has gone live with a new Web content management system.
However, he did have his peeves: heavy metal music and the pop stylings of John Denver.