Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Elements > Metals, Heavy > Tungsten Terms and Definitions

Tungsten

Medical Definition:	Tungsten. A metallic element with the atomic symbol W, atomic number 74, and atomic weight 183.85. It is used in many manufacturing applications, including increasing the hardness, toughness, and tensile strength of steel; manufacture of filaments for incandescent light bulbs; and in contact points for automotive and electrical apparatus.
Guide Notes:	W-184; W-180, 182, 183, 186 = TUNGSTEN (IM) + ISOTOPES (NIM); W-176-179, 181, 185, 187-189 = TUNGSTEN (IM) + RADIOISOTOPES (IM)
CAS Type 1 Name:	CAS Number:	7440-33-7

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