English

Noun

natural unit ‎(plural natural units)

1. (physics) Any of a group of related physical units defined in terms of natural constants.

See also

• atomic units

  • Bohr radius
  • electron mass
  • rydberg

• Planck units

  • Planck length
  • Planck mass
  • Planck time

• astronomical unit
• Solar luminosity
• Solar mass