fractional

Short definition from Wiktionary

Adjective

1. 1
   Pertaining to a fraction.
2. 2
   Divided; fragmentary; incomplete.
3. 3
   Very small; minute.
4. 4
   Relating to a process or product of fractional distillation.

Noun

1. 1
   An expression of a fractional number.
2. 2
   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.
3. 3
   Relating to a fraction in a material distillation or separation process.