fractional /ˈfɹæk.ʃən.əl/adjective 4noun 3forms 3 adjective4 •Pertaining to a fraction. •Very small; minute.The two women exchanged a glance, then a fractional nod of agreement. — 1987 •Divided; fragmentary; incomplete. •Relating to a process or product of fractional distillation. noun3 •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. •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". •Relating to a fraction in a material distillation or separation process. formsfractionals · more fractional · most fractional