
A distance of ten to the minus ten of a metre
Found on
http://jot101.com/2015/05/a-z-of-science-fiction-words/

A unit of length named for A.J. Angstome, a Swedish spectoscopist, used in measuring electromagnetic radiation equal to 0.000,000,01 centimeters.
Found on
http://www.electromn.com/glossary/a.htm

angstrom.
Found on
http://www.encyclo.co.uk/local/21001

Small unit of measurement (10-10m) named after Swedish physicist and astronomer. Much used as a unit in early electron microscopy though since it is not in the approved mks system should probably be avoided (but nanometres, which are 10 times larger are sometimes less convenient).
Found on
http://www.encyclo.co.uk/visitor-contributions.php
(Ǻ) Type: Term Pronunciation: ang′strŏm See: angstrom
Found on
http://www.medilexicon.com/medicaldictionary.php?t=95659

The Angstrom Unit is a unit of length employed for the measurement of the wavelengths of light and X-rays etc.
Found on
http://www.probertencyclopaedia.com/browse/GA.HTM

(A) A unit of linear measure equal to 10(-10)m, or 0.1 nm; not an accepted Si unit, but still sometimes used for small distances such as interatomic distances and some wavelengths.
Found on
https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

Unit used to measure the wavelength of light, and other electromagnetic radiation.
Found on
https://www.encyclo.co.uk/local/22784

A unit of length named for A.J. Angstome, a Swedish spectroscopist, used in measuring electromagnetic radiation equal to 0.000,000,01 centimeters.
Found on
https://www.encyclo.co.uk/local/22819
No exact match found.