AskDefine | Define filament

Dictionary Definition



1 a very slender natural or synthetic fiber [syn: fibril, strand]
2 the stalk of a stamen
3 a threadlike anatomical structure or chainlike series of cells [syn: filum]
4 a thin wire (usually tungsten) that is heated white hot by the passage of an electric current

User Contributed Dictionary



  1. a fine thread or wire
  2. such a wire, heated to glowing, in an incandescent light bulb or a thermionic valve
  3. The stalk of a stamen in a flower, supporting the anther.
  4. In textiles, a continuous object, limited in length only by its spool, and not cut to length


fine thread or wire
wire in an incandescent light bulb
stalk of a stamen in a flower
continuous object, limited in length only by its spool

Extensive Definition

Filament may refer to:

In physics and electrical engineering

In astronomy

In biology

In music

Other uses

See also

filament in German: Filament
filament in French: Filament
filament in Japanese: フィラメント
filament in Simple English: Filament
filament in Slovak: Filament
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