The word filament, which is descended from Latin filum meaning "thread", is used in English for a variety of thread-like structures, including:

Astronomy

• Galaxy filament, the largest known cosmic structures in the universe

• Solar filament, a solar prominence seen against the disc of the sun

Biology

• Myofilament, filaments of myofibrils constructed from proteins

• Protein filament, a long chain of protein subunits, such as those found in hair or muscle

• Part of a stamen, the male part of a flower

• Hypha, a thread-like cell in fungi and Actinobacteria

• Filamentation, an elongation of individual bacterial cells

Textiles

• Filament fiber, fiber that comes in a continuous long length

• Filament yarn, as opposed to spun yarn

Arts and entertainment

• Filament (band), a musical group from Japan

• Filament (film), a 2002 movie by Japanese director Jinsei Tsuji

• Filament (magazine), a female-oriented erotica magazine

• Filament Games, a Wisconsin-based educational video game developer

• Filament Productions, a production design and touring video company

Physics and engineering

• Electrical filament of incandescent light bulb

• Heater filament of a vacuum tube

• Current filament, an inhomogeneity in current flow

• Filament propagation, diffractionless propagation of a light beam

• LED filament, a light-emitting diode string, which resembles an incandescent light bulb filament

• 3D printing filament, printer raw material

See also

• Monofilament (disambiguation)