dimensionless
dɪˈmɛnʃənləs
Definition Synonyms

Definition of dimensionless - Reverso English Dictionary

Adjective

1.
scienceTECH.having no units in scientific measurementsTECH.
  • The dimensionless constant simplifies the equation.
scaleless
2.
no sizeTECH.lacking physical dimensions or sizeTECH.
  • The point is considered dimensionless in geometry.
scaleless
Add a suggestion |

Expressions with dimensionless

💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
quantity without physical units, a pure number
The Reynolds number is a dimensionless quantity.

Origin of dimensionless

Latin, dimensionem (measure) + less (without)

Terms with dimensionless included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
physics
dimensionless constant characterizing electromagnetic interaction strength
physics
dimensionless measure of damping in a dynamic system
physical
possessing dimensions, not dimensionless
physics
dimensionless number showing how much an object resists flow
physics
dimensionless number comparing inertial and gravitational forces in fluid dynamics
physics
dimensionless parameter indicating flow type in fluid mechanics
fluid dynamics
dimensionless number describing oscillating flow dynamics

Examples of dimensionless in a sentence

  • Scientists often use dimensionless numbers in their calculations.
  • The concept of time in the theory is dimensionless.
  • In physics, certain constants are considered dimensionless.

View all translations of dimensionless

Click below to see the appropriate translations facing each meaning.
  1. French:sans dimension, ...
  2. German:dimensionslos, ...
  3. Italian:adimensionale, privo di dimensioni, ...
  4. Spanish:adimensional, sin dimensiones, ...
  5. Portuguese:adimensional, ...
  6. Chinese:无量纲的, 无大小的, ...
  7. Japanese:無次元の, ...
  8. Arabic:بِلَا أَبْعَاد, عديم الأبعاد, ...
  9. Hebrew:חֲסַר יְחִידוֹת, חֲסַר מִמָּדִים, ...
  10. Russian:безразмерный, ...
  11. Ukrainian:безрозмірний, ...
  12. Hindi:बिना आयाम का, आयामहीन, ...
Browse the dictionary entries starting with “d”:

Discover how Reverso redefines the dictionary

Go beyond “simple words”

Get more than a simple definition

Go from understanding to mastery