a unit of length, equal to one tenth of a millimicron, or one ten millionth of a millimeter, primarily used to express electromagnetic wavelengths. Symbol: Å; Abbreviation: A
- Also called angstrom unit, Angstrom unit.
Other definitions for Ångström (2 of 2)
An·ders Jo·nas [an-derz joh-nuhs; Swedish ahn-duhrs-yoo-nahs], /ˈæn dərz ˈdʒoʊ nəs; Swedish ˈɑn dərsˈyu nɑs/, 1814–74, Swedish astronomer and physicist.
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How to use angstrom in a sentence
The man who came nearest to the philosophy of the subject was angstrom.Fragments of science, V. 1-2 | John Tyndall
British Dictionary definitions for angstrom (1 of 2)
Also called: angstrom unit 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: Symbol: Å, A
British Dictionary definitions for Ångström (2 of 2)
Anders Jonas (ˈandərs ˈjuːnas). 1814–74, Swedish physicist, noted for his work on spectroscopy and solar physics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for angstrom (1 of 2)
A unit of length equal to one hundred-millionth (10-10) of a meter. It was once used to measure wavelengths of light and the diameters of atoms, but has now been mostly replaced by the nanometer.
Scientific definitions for Ångström (2 of 2)
Swedish physicist and astronomer who pioneered the use of the spectroscope in the analysis of radiation. By studying the spectrum of visible light given off by the Sun, Ångström discovered that there is hydrogen in the Sun's atmosphere. The angstrom unit of measurement is named for him.
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