dimensionless

/dɪˈmɛnʃənləs/
adjective
  1. Having no physical dimensions (length, width, height); not measurable in terms of size.
    • In physics, a dimensionless quantity like the Reynolds number has no units.
    • Some theoretical particles are considered dimensionless in certain models.
    • The mathematician explained that a point is dimensionless in geometry.
  2. Lacking measurable extent or boundaries; infinite or immeasurable.
    • In the story, the hero entered a dimensionless void where time had no meaning.
    • The concept of a dimensionless soul is central to many spiritual beliefs.
    • The artist tried to capture the dimensionless quality of space in her painting.
What does "dimensionless" mean? | whatsthatwordmean | whatsthatwordmean