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1. A very slender natural or synthetic fibre
   - fibril, strand
    
2. The stalk of a stamen
    
3. A threadlike structure (as a chainlike series of cells)
   - filum
    
4. A thin wire (usually tungsten) that is heated white hot by the passage of an electric current

Derived forms: filaments

See also: filamentous, filar

Type of: anatomical structure, bodily structure, body structure, complex body part, conducting wire, fiber [US], fibre [Brit, Cdn], stalk, stem, structure, wire

Part of: bulb, electric light, electric-light bulb, incandescent lamp, light bulb, light globe [Austral, NZ], lightbulb

Encyclopedia: Filament