angstrom

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angstrom

(ăng`strəm), abbr. Å, unit of length equal to 10−10 metermeter,
abbr. m, fundamental unit of length in the metric system. The meter was originally defined as 1/10,000,000 of the distance between the equator and either pole; however, the original survey was inaccurate and the meter was later defined simply as the distance between two
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 (0.0000000001 meter); it is used to measure the wavelengths of visible light and of other forms of electromagnetic radiationelectromagnetic radiation,
energy radiated in the form of a wave as a result of the motion of electric charges. A moving charge gives rise to a magnetic field, and if the motion is changing (accelerated), then the magnetic field varies and in turn produces an electric field.
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, such as ultraviolet radiation and X rays. Scientists now prefer to use the nanometer (nm); 1 nm=10 Å. The angstrom is named in honor of Swedish physicist Anders J. Ångström.

angstrom

(ang -strŏm) Symbol: Å;. A unit of length equal to 10–10 meters. It was formerly used to specify interatomic distances.

angstrom

[′aŋ·strəm]
(mechanics)
A unit of length, 10-10 meter, used primarily to express wavelengths of optical spectra. Abbreviated A; Å. Also known as tenthmeter.

angstrom

A unit of length; used to express electromagnetic wavelengths; 1 Å = 10-10 meter = 1/10 nanometer. Abbr. Å.

angstrom

a unit of length equal to 10--10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre.

angstrom

A unit of measurement equal to .1 nanometer, which is approximately 1/250 millionth of an inch. Angstroms are used to measure the wavelengths of light and the elements in a chip. One nanometer is equal to 10 angstroms, and one micron is equal to 10,000 angstroms. The size of an atom is three to 10 angstroms.
References in periodicals archive ?
These parties decided to "work together on a state-by-state basis" to lobby state regulators to open local telephone markets to competition, said NCTA's Anstrom.
Anstrom was responding to a report Monday in The Wall Street Journal that some unidentified cable companies are considering breaking ESPN out of the expanded basic tier, which contains most cable TV networks.
Decker Anstrom, president of the National Cable Television Association, countered that ``price increases that cable companies have instituted in the past year or two reflect the increased costs that come from adding more channels, improving service and introducing new technologies.
When you consider how much we all love being outside in the sunshine, it's not surprising the number of people who have been touched by this issue," said Decker Anstrom, President and CEO, The Weather Channel.
The media are invited to attend the awards ceremony, as well as the entire conference, which features keynote addresses by William Whyman, co-founder and president of The Precursor Group, speaking on how the investor community perceives the current Internet space and regulatory environment, and Decker Anstrom, president and CEO of The Weather Channel, who will address delivering dynamic content and advertisements to numerous media and interactive platforms.
Anstrom and Raven head the list of 11 Vanguard Award winners who will be recognized for their outstanding contributions to the cable industry.
Decker Anstrom, president of the National Cable Television Association, is working with Valenti and Eddie Fritts, chairman of the National Association of Broadcasters, to develop the system.
Over the years, The Weather Channel has achieved steady growth by providing our cable affiliates with exceptional value, and we are grateful for their long-term support," said Decker Anstrom, president and CEO of The Weather Channel.
We are very pleased that Weatherscan Local's availability will be increased considerably through our new agreements with AT&T and Cox Communications," said Decker Anstrom, president and CEO, The Weather Channel.
WASHINGTON, May 5 /PRNewswire/ -- The AFL-CIO, Communications Workers of America (CWA) and International Brotherhood of Electrical Workers (IBEW) today urged shareholders of the Comcast Corporation to withhold support from CEO Brian Roberts and Director Decker Anstrom at Comcast's upcoming May 26th annual meeting.
We're fully committed to providing the more than 28 million Americans who are deaf and hard of hearing ready access to the reliable, expert weather information that consumers have come to expect from The Weather Channel," said Decker Anstrom, the company's president and CEO.
The AFL-CIO is urging shareholders to withhold support from the following directors for approving excessive executive pay: Michael Miles of American Airlines ; William Campbell of Apple Computer ; Myra Biblowit of Cendant ; Carol Bartz of Cisco Systems ; Richard Parsons of Citigroup ; John Williams of Clear Channel Communications ; Decker Anstrom of Comcast ; Robert Spilman of Dominion Resources ; William Tauscher of Safeway and Bradley Jacobs of United Rentals .