arbitrary vs fractional

arbitrary

noun
  • Anything arbitrary, such as an arithmetical value or a fee. 

adj
  • Not representative or symbolic; not iconic. 

  • Determined by independent arbiter. 

  • Determined by impulse rather than reason; heavy-handed. 

  • Based on individual discretion or judgment; not based on any objective distinction, perhaps even made at random. 

  • Any, out of all that are possible. 

fractional

noun
  • An expression of a fractional number. 

  • Relating to a fraction in a material distillation or separation process. 

  • Partial ownership of a property, such as real estate or a chartered airplane, such that each partial owner has use of the property for only a portion of the time. 

adj
  • Relating to a process or product of fractional distillation. 

  • Divided; fragmentary; incomplete. 

  • Pertaining to a fraction. 

  • Very small; minute. 

How often have the words arbitrary and fractional occurred in a corpus of books? (source: Google Ngram Viewer )