(rare) The quality of being a tween.

present participle of tween

(animation) A technique in film animation for generating intermediate frames such that one image evolves smoothly into the next.

Contraction of between.

(animation) Alternative form of tween

plural of tween

(animation) An action of tweening (inserting frames for continuity); a sequence of frames generated by tweening.

(cinematography) To generate intermediate frames in an animated sequence so as to give the appearance of smooth movement.

A child, usually a girl, in the age range between young childhood and adolescence, normally between eight and thirteen years of age.

Of or having to do with tweenagers.