Definition of "fractional" in English

adjective

1. Pertaining to a fraction.

2. Divided; fragmentary; incomplete.

3. Very small; minute.

4. (chemistry) Relating to a process or product of fractional distillation.

noun

1. (grammar) An expression of a fractional number.

   • In English, most ordinals double as fractionals — "third", "fourth", and so on — with the exception of "second", whose corresponding fractional is "half".

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.

   • A fractional is much more expensive than a traditional timeshare, but to many people, it's worth it.

3. (chemistry) Relating to a fraction in a material distillation or separation process.