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 ?
Anstrom, K., DiCerbo, P., Butler, F., Katz, A., Millet, J., & Rivera, C.
Expression of msp130 has been reported in both embryo and adult tissues (Anstrom and Raff, 1987; Parks and Raff, 1988; Drager et al., 1989); spicule matrix proteins such as SM30 and SM50 were also observed (see review by Wilt, 2002).
Not Decker Anstrom. In a sparkling interview with Lee Hall of Electronic Media, Anstrom emphasized: "Part of my job will be just trying to stay out of people's way."
National Cable Television Association President Decker Anstrom says providing free Internet access is the logical next step in strengthening its education program.
The cable industry has plowed its revenues back into its infrastructure, which "can now reach 95 percent of American homes," says Decker Anstrom, president of the National Cable TV Association (NCTA).
(7.) Idiopathic Pulmonary Fibrosis Clinical Research Network, Martinez FJ, de Andrade JA, Anstrom KJ, King TE Jr, Raghu G.
Moody DM, Thore CR, Anstrom JA, Challa VR, Langefeld CD, Brown WR, et al.
(43.) Felker GM, Ahmad T, Anstrom KJ, Adams KF, Cooper LS, Ezekowitz JA, et al.
Increasing school counselors' multicultural awareness and competence is recognized as an area of professional need (Constantine, 2001; Holcomb-McCoy, 2004; Schwallie-Giddis, Anstrom, Sanchez, Sardi, & Granato, 2004).