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

Materials

Filler (animal food) In processed animal foods, a filler is an ingredient added to provide dietary fiber, bulk or some other non-nutritive purpose. Products like corncobs, feathers, soy, cottonseed hulls, peanut hulls, citrus pulp, screening, weeds, straw, and cere ...

, dietary fiber and other ingredients added to pet foods to provide bulk *

Filler (materials) Filler materials are particles added to resin or binders (plastics, composites, concrete) that can improve specific properties, make the product cheaper, or a mixture of both. The two largest segments for filler material use is elastomers and pla ...

, particles added to a matrix material, usually to improve its properties *

Filler (packaging) Fillers (or filling machines) are used for packaging, mainly for food/beverage but for other products as well. These are used to fill either a bottle or a pouch, depending on the product. There are several types of fillers used by the packaging in ...

, a machine designed to fill packaging, usually occurs in food packaging *

Filler metal A filler metal is a metal added in the making of a joint through welding, brazing, or soldering. Soldering Soldering and brazing processes rely on a filler metal added to the joint to form the junction between the base metal parts. Soft solderin ...

, metal added in the making of a joint through welding, brazing, or soldering *

Grain filler A grain filler (pore filler or paste wood filler) is a woodworking product that is used to achieve a smooth-textured wood finish by filling pores in the wood grain. It is used particularly on open grained woods such as oak, mahogany and walnut whe ...

, a product that is used to achieve a smooth-textured wood finish *

Injectable filler Injectable filler (injectable cosmetic filler, injectable facial filler) is a soft tissue filler injected into the skin at different depths to help fill in facial wrinkles, provide facial volume, and augment facial features: restoring a smoother ap ...

, a soft tissue filler injected into the skin to help fill in facial wrinkles * Star filler, a plastic insert in computer cables which separates wires

Media and entertainment

Filler (media) Filler is material of lower cost or quality that is used to fill a certain television time slot or physical medium, such as a music album. Television In the early days of television, most output was live. The hours of broadcast were limited and so ...

, in television and other media, material that exists outside the story arc to pad out other material * "Filler", song by hardcore punk band

Minor Threat Minor Threat was an American hardcore punk band, formed in 1980 in Washington, D.C. by vocalist Ian MacKaye and drummer Jeff Nelson. MacKaye and Nelson had played in several other bands together, and recruited bassist Brian Baker and guitar ...

, from their debut E.P.

Other uses

* Filler (linguistics), a sound spoken to fill up gaps in utterances *

Filler (surname) Filler is a surname. Notable people with the surname include: * Deb Filler (born 1954), New Zealand born writer/performer, character artist and producer * Graham Filler, American politician * Louis Filler (1911–1998), American teacher and schola ...

Seat filler A seat filler is a person who fills in an empty seat during an event. There are two types of seat fillers: # A person who subscribes to a seat-filling theatre club. Members of these clubs help fill in unsold seats for theatre, music, film, sport ...

, a person who fills an empty seat during an event

Materials

Media and entertainment

Other uses

See also