### Definition of Angstrom unit

1. Noun. A metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation.

Exact synonyms: A, Angstrom
Generic synonyms: Metric Linear Unit
Terms within: Micromicron, Picometer, Picometre
Group relationships: Micromillimeter, Micromillimetre, Millimicron, Nanometer, Nanometre, Nm

### Definition of Angstrom unit

1. Noun. (physics) (alternative form of angstrom) ¹

¹ Source: wiktionary.com

### Angstrom Unit Pictures

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### Lexicographical Neighbors of Angstrom Unit

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### Literary usage of Angstrom unit

Below you will find example usage of this term as found in modern and/or classical literature:

1. General Physics: An Elementary Text-book for Colleges by Henry Crew (1916)
"The angstrom unit 512. The numerical value of a wave length of light is usually expressed, not in terms of centimeters, but in terms of a much smaller unit ..."

2. Mirrors, Prisms and Lenses: A Text-book of Geometrical Optics by James Powell Cocke Southall (1918)
"... 1 ANGSTROM unit = - meter=0.000 000 01 cm. The wave-length of the deepest red light is found to be about 7667 of these units and the wave-length of ..."

3. Report of the Annual Meeting (1901)
"The spacing of these doubles is about j( of an angstrom unit, which in that part of the spectrum would, according to Lord Rayleigh's formula (A/d\ = 2n), ..."

4. The Oxford Medicine by Henry Asbury Christian, James Mackenzie (1920)
"An angstrom unit is oi millimicron (Table I). The electromagnetic spectrum is represented in graphic form in Fig. 11 and in tabular form in Table II. ..."

5. The Elements of Physical Chemistry by Harry Clary Jones (1915)
"... of an angstrom unit, then, vibrations in the ether resembling light, but having a wave-length of the order of magnitude of an angstrom unit, ..."