adjective Relating to a process or product of fractional distillation.
noun 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".
noun 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.
noun Relating to a fraction in a material distillation or separation process.