"filament" in the noun sense
1. fibril, filament, strand
a very slender natural or synthetic fiber
2. filament
the stalk of a stamen
3. filament, filum
a threadlike structure (as a chainlike series of cells)
4. filament
a thin wire (usually tungsten) that is heated white hot by the passage of an electric current
Source: WordNet® (An amazing lexical database of English)
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