GDict

angstrom

'æŋstrәm3 senses · 335 ms
Level C2
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noun/ˈæŋstɹəm//ˈæŋstɹʌm//ˈɔŋstɹəm/
  1. 1

    A unit of length equal to 10⁻¹⁰ meters (that is, one ten-billionth of a meter), approximately the size of an atom, and denoted by the symbol Å, used especially to measure the wavelength of electromagnetic radiation or distances between atoms.

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