magnesium

[ mag-nee-zee-uhm, -zhuhm, -shee-uhm ]

/ mægˈni zi əm, -ʒəm, -ʃi əm /

noun Chemistry.

a light, ductile, silver-white, metallic element that burns with a dazzling white light, used in lightweight alloys, flares, fireworks, in the manufacture of flashbulbs, optical mirrors, and precision instruments, and as a zinc substitute in batteries. Symbol: Mg; atomic weight: 24.312; atomic number: 12; specific gravity: 1.74 at 20°C.

Origin of magnesium

From New Latin, dating back to 1800–10; see origin at magnesia, -ium

Words nearby magnesium

magnanimity, magnanimous, magnate, magnesia, magnesite, magnesium, magnesium arsenate, magnesium carbonate, magnesium hydroxide, magnesium light, magnesium oxide

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for magnesium

Epsom salt also has magnesium, so it will help you relax and sleep.
5 Healthier Ways to Detox (That Aren’t Juice Cleanses)|DailyBurn|February 20, 2014|DAILY BEAST
Magnesium sulfate has been around since 1906 and has since been proven to be a superior medication.
Beyond ‘Downton Abbey’: Preeclampsia Maternal Deaths Continue Today|Eleni Tsigas, Christine Morton|January 28, 2013|DAILY BEAST
At night we drank a beverage we called “CalMag,” a terrible mixture of calcium, magnesium, vinegar, and water.
Scientology’s Sea Org: A Story of Escape for Katie Holmes and Suri Cruise|Abigail Pesta|July 6, 2012|DAILY BEAST
She tells us what happens when the balance is ripped apart by the release of calcium and magnesium into the atmosphere.
Chris Hedges and Joe Sacco Chronicle Mining Catastrophes in West Virginia|Chris Hedges, Joe Sacco|June 14, 2012|DAILY BEAST

As a teenager, a magnesium flare exploded and left 70 percent of his body covered in third-degree burns.
Trust Your Irrationality|Jamie Holmes|July 31, 2010|DAILY BEAST
Waters containing compounds of calcium and magnesium in solution are called hard waters because they feel harsh to the touch.
An Elementary Study of Chemistry|William McPherson
The excavation was done mostly at night, the ground being illuminated by magnesium light.
Lights and Shadows of New York Life|James D. McCabe
Reference has been made to the fact that magnesium sulphate may probably not only fix the ammonia, but the phosphoric acid.
Manures and the principles of manuring|Charles Morton Aikman
Magnesium sulphate may be given by the mouth, but is poisonous if injected intravenously.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3|Various
Other metals, such as magnesium and iron, decompose water rapidly, but only at higher temperatures.
An Elementary Study of Chemistry|William McPherson

British Dictionary definitions for magnesium

magnesium

/ (mæɡˈniːzɪəm) /

noun

a light silvery-white metallic element of the alkaline earth series that burns with an intense white flame, occurring principally in magnesite, dolomite, and carnallite: used in light structural alloys, flashbulbs, flares, and fireworks. Symbol: Mg; atomic no: 12; atomic wt: 24.3050; valency: 2; relative density: 1.738; melting pt: 650°C; boiling pt: 1090°C

Word Origin for magnesium

C19: New Latin, from magnesia

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for magnesium

magnesium

[ măg-nē′zē-əm, -zhəm ]

n. Symbol Mg

A light metallic element that burns with a brilliant white flame, used in various analgesic, antiseptic, anticonvulsant, and antacid pharmaceuticals. Atomic number 12.

Scientific definitions for magnesium

magnesium

[ măg-nē′zē-əm ]

Mg

A lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white flame. It is an essential component of chlorophyll and is used in lightweight alloys, flash photography, and fireworks. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See Periodic Table.

单词	magnesium
释义	magnesium [ mag-nee-zee-uhm, -zhuhm, -shee-uhm ] / mægˈni zi əm, -ʒəm, -ʃi əm / noun Chemistry. a light, ductile, silver-white, metallic element that burns with a dazzling white light, used in lightweight alloys, flares, fireworks, in the manufacture of flashbulbs, optical mirrors, and precision instruments, and as a zinc substitute in batteries. Symbol: Mg; atomic weight: 24.312; atomic number: 12; specific gravity: 1.74 at 20°C. Origin of magnesium From New Latin, dating back to 1800–10; see origin at magnesia, -ium Words nearby magnesium magnanimity, magnanimous, magnate, magnesia, magnesite, magnesium, magnesium arsenate, magnesium carbonate, magnesium hydroxide, magnesium light, magnesium oxide Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for magnesium Epsom salt also has magnesium, so it will help you relax and sleep. 5 Healthier Ways to Detox (That Aren’t Juice Cleanses)\|DailyBurn\|February 20, 2014\|DAILY BEAST Magnesium sulfate has been around since 1906 and has since been proven to be a superior medication. Beyond ‘Downton Abbey’: Preeclampsia Maternal Deaths Continue Today\|Eleni Tsigas, Christine Morton\|January 28, 2013\|DAILY BEAST At night we drank a beverage we called “CalMag,” a terrible mixture of calcium, magnesium, vinegar, and water. Scientology’s Sea Org: A Story of Escape for Katie Holmes and Suri Cruise\|Abigail Pesta\|July 6, 2012\|DAILY BEAST She tells us what happens when the balance is ripped apart by the release of calcium and magnesium into the atmosphere. Chris Hedges and Joe Sacco Chronicle Mining Catastrophes in West Virginia\|Chris Hedges, Joe Sacco\|June 14, 2012\|DAILY BEAST As a teenager, a magnesium flare exploded and left 70 percent of his body covered in third-degree burns. Trust Your Irrationality\|Jamie Holmes\|July 31, 2010\|DAILY BEAST Waters containing compounds of calcium and magnesium in solution are called hard waters because they feel harsh to the touch. An Elementary Study of Chemistry\|William McPherson The excavation was done mostly at night, the ground being illuminated by magnesium light. Lights and Shadows of New York Life\|James D. McCabe Reference has been made to the fact that magnesium sulphate may probably not only fix the ammonia, but the phosphoric acid. Manures and the principles of manuring\|Charles Morton Aikman Magnesium sulphate may be given by the mouth, but is poisonous if injected intravenously. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3\|Various Other metals, such as magnesium and iron, decompose water rapidly, but only at higher temperatures. An Elementary Study of Chemistry\|William McPherson British Dictionary definitions for magnesium magnesium / (mæɡˈniːzɪəm) / noun a light silvery-white metallic element of the alkaline earth series that burns with an intense white flame, occurring principally in magnesite, dolomite, and carnallite: used in light structural alloys, flashbulbs, flares, and fireworks. Symbol: Mg; atomic no: 12; atomic wt: 24.3050; valency: 2; relative density: 1.738; melting pt: 650°C; boiling pt: 1090°C Word Origin for magnesium C19: New Latin, from magnesia Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for magnesium magnesium [ măg-nē′zē-əm, -zhəm ] n. Symbol Mg A light metallic element that burns with a brilliant white flame, used in various analgesic, antiseptic, anticonvulsant, and antacid pharmaceuticals. Atomic number 12. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for magnesium magnesium [ măg-nē′zē-əm ] Mg A lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white flame. It is an essential component of chlorophyll and is used in lightweight alloys, flash photography, and fireworks. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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