A filament may be:

• An electrical filament

In astronomy:

• A galaxy filament
• A structure in a solar corona (solar filament)
• A Birkeland current

In biology:

• A protein filament
• A long chain of cells; see filamentation
• Part of a stamen, the male part of a flower
• A hypha, in fungi

See also

• Monofilament
• Filament propagation, the diffractionless propagation of a light beam
• Filament runtime system
• Filament (band)

Heizwendel | フィラメント | Hehkulanka | Filament