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a chemical element, atomic number 74, atomic weight 183.85, symbol W. (See Appendix 6.)
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

tung·sten (W),

A metallic element, atomic no. 74, atomic wt. 183.85.
Synonym(s): wolfram, wolframium
[Swed. tung, heavy, + sten, stone]
Farlex Partner Medical Dictionary © Farlex 2012


(W) (tŭng'stĕn)
A metallic element, atomic no. 74, atomic wt. 183.85.
Synonym(s): wolfram, wolframium.
[Swed. tung, heavy, + sten, stone]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Shifting fashions in lighting could help drive sales of LED bulbs that would otherwise need to be replaced every 10 to 15 years, because they're so much more efficient than incandescent bulbs that need to be replaced a few times a year.
Small LED flashlight bulbs extend battery life 10 to 15 times longer than incandescent bulbs.
By the middle of next year, most incandescent bulbs will have been withdrawn from sale, though there are exceptions for some specialist types of lighting.
Were you one of the people who stocked up on incandescent bulbs at the end of last year before the law went into effect this Jan.
If LEDs live up to the manufacturers' claims, that's light years ahead of incandescent bulbs, which last an average of 1,000 to 2,000 hours, and CFLs, with about 8,000 to 10,000 hours to their name.
In our house when we were using all incandescent bulbs a few years ago our total electricity consumption was around 3,800 kilowatt hours a year.
The current attempt by Republicans in the US Congress to roll back America's effort to ban incandescent bulbs has revived this discussion.
The reason for the ban is because there are other lighting alternatives today that are considerably more energy-efficient than the incandescent bulbs.
If your household voltage is normal, the incandescent bulb will use about 100 watts.
Expanding on the Philips MasterLED family of replacement lighting solutions, the new lamp has a rated life of 25,000 hours, as opposed to a standard 60 watt incandescent bulb which is rated at about 1,000 hours.
Unlike the single point incandescent bulb, several LEDs acting in conjunction provide the required intensity for the combined Stop and Tail lamp functions.
For a purely resistive load, such as an incandescent bulb, the voltage and current are in phase, and the power consumption is the product of RMS voltage and current.