Filler

In general, a filler is something that is used to fill gaps. Specialized meanings of the word "filler" include:

Filler (animal food), dietary fiber and other ingredients added to pet foods to provide bulk
Filler (linguistics), a sound spoken to fill up gaps in utterances
Filler (materials), particles added to a matrix material, usually to improve its properties
Filler (tobacco), central component of a cigar held together by binder leaves of tobacco
Filler (packaging), a machine designed to fill packaging, usually occurs in food packaging.

In media and entertainment:

Filler (media), in television and other media, material that exists outside the story arc to pad out other material
Filler text
Filler (song) by hardcore punk band Minor Threat
Filler notes, in music, notes added between beats
Filler a weekly webcomic Created By Joseph Bucci and John Blake

See also

fillér, name of various small change coins throughout Hungarian history, and one hundredth of a Hungarian forint

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