Definition, Meaning & Synonyms

arbitrary unit

Noun
/ˈɑːr.bɪ.trər.i juːnɪt/
Definition
A quantity or measurement that is defined by convention or agreement rather than by a physical constant or standard.
Examples
  • The intensity of sound may be expressed in arbitrary units for comparative analysis.
  • Researchers reported the data using arbitrary units to illustrate changes over time.
  • Often, arbitrary units are used in graphs when actual values are not necessary.
Meaning
In various scientific fields, an arbitrary unit allows for measurement comparisons without implying a fixed value.
Synonyms
  • Relative measure
  • Non-standard unit
  • Subjective measure