Filament

Filament could mean:

In physics and electrical engineering:

• Electrical filament
• Current filament
• Filament propagation, diffractionless propagation of a light beam

In astronomy:

• Galaxy filament
• Solar filament, a structure in a solar corona
• Birkeland current

In biology:

• Protein filament
• Filamentation, a long chain of cells
• Part of a stamen, the male part of a flower
• Hypha, in fungi and Actinobacteria

Other uses:

• Fiber or yarn
• 2002 movie by Jinsei Tsuji