angstrom
ang·strom / ˈangstrəm/ (also ång·ström, angstrom unit) (abbr.: Å) • n. a unit of length equal to one hundred-millionth of a centimeter, 10−10 meter, used mainly to express wavelengths and interatomic distances.
ångstrom
ångstrom (Å) Unit of length equal to 10−10 m, used in measuring electromagnetic radiation including visible light and X-rays. Replaced in SI units by the nanometre (10 Å = 1 nm).
angstrom
angstrom (angstrom unit) (symbol Å) Obsolete unit of length, equal to 10−10 m or 0.1nm (nanometre). It was used to express the wavelength of light and ultraviolet radiation, and to measure distances between atoms and between molecules. The angstrom was replaced by the nanometre.
angstrom
angstrom Symbol Å. A unit of length equal to 10–10 metre. It was formerly used to measure wavelengths and intermolecular distances but has now been replaced by the nanometre. 1 Å = 0.1 nanometre. The unit is named after the Swedish pioneer of spectroscopy A. J. Ångstrom (1814–74).
Ångstrom
Ångstrom A unit of length equal to 10−8 cm (10−10 m) and hence = 10 nm; not an official SI unit, but commonly used in structural chemistry and crystallography.
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