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Nondimensional vs Dimensionless - What's the difference?

nondimensional | dimensionless |

As adjectives the difference between nondimensional and dimensionless

is that nondimensional is not dimensional while dimensionless is lacking dimensions.

nondimensional

English

Adjective

(-)
  • Not dimensional.

    • dimensionless

    English

    Adjective

    (-)
  • lacking dimensions
  • (science) of a physical constant, lacking units.
    • Iron has a density of 7.8g/cc''': its '''dimensionless''' relative density is '''7.8 .