x unit
x unit · x units
A unit of length approximately equal to 0.1 picometres, used to quote the wavelength…A unit of length (symbol xu) approximately equal to 0.1 picometres, used to quote the wavelength of X-rays and gamma rays.
Meaning
1 sensesA unit of length (symbol xu) approximately equal to 0.1 picometres, used to quote the wavelength of X-rays and gamma rays.
Origin
After X-ray (x signifying the unknown).After X-ray (x signifying the unknown).
Wiktionary, CC BY-SA 4.0 · source
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.