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 ?
True, Anstrom, the former CEO of the National Cable Television Assn.
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.
prexy Decker Anstrom surprised Washington's entertainment industry
At the opening of the NCTA convention Monday, the organization's president, Decker Anstrom, told reporters he didn't think the threat to pull ESPN to a pay tier was that serious.
Scheduled to Attend: Amy Wynn Pastor, carpenter and host of DIY Network's "Make a Move"; Glenn Britt, President & CEO, Time Warner Cable; Decker Anstrom, President & COO, Landmark Communications; Kathleen Finch, SVP and general manager of DIY Network; and Karen Collins, School Principal.
prexy Decker Anstrom insisted last week that the cable industry is already responding to the explosive growth of the DBS industry by offering more channels, better service and increased investment in the industry's infrastructure.
There is not a speech I give or a meeting I have in which I don't say to the industry: Look, you need to be really, really careful about price increases,'' Decker Anstrom, president of the National Cable Television Association, said in an interview.
In announcing the appointment, Anstrom said, "Bill Burke is an exceptional executive who, working with our strong senior team, will help strengthen and grow The Weather Channel as consumers' indispensable source of weather and related information.
Both Gordon Crawford, senior VP of Capital Research & Management, and Decker Anstrom, president of the National Cable TV Assn.
I don't think that's going to happen,'' Decker Anstrom, president of the National Cable Television Association told reporters in Atlanta.
And we'll continue to make significant investments to deliver value for our consumers and customers," said Decker Anstrom, president and CEO of The Weather Channel.
prexy Decker Anstrom and TCI public relations specialists into the cable confab's press room where excited reporters had already filed their stories about Malone's clear repudiation of Hindery's promise to Congress.