Definition of ultrashort in English:

ultrashort

Line breaks: ultra|short
Pronunciation: /ʌltrəˈʃɔːt
 
/

adjective

  • (Of radio waves) having a wavelength significantly shorter than that of the usual short waves, in particular shorter than 10 metres (i.e. of a VHF frequency above 30 MHz).
    More example sentences
    • Although the ultrashort solitons described above have so far only been generated using a GaAs: InGaAs laser, nothing inherent to the technique restricts it to a specific material system.
    • According to the uncertainty principle, these ultrashort pulses would have a very wide spectrum of energies - with some photons in the gamma radiation range, having more than 1 MeV of energy.
    • Physicists have used ultrashort pulses of light to control the motion of electrons ejected from molecules and to produce electron beams just a few nanometres in length.

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Pronunciation: skəʊʃ
noun
a small amount; a little