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filament
noun
- a very slender thread or fiber
- a threadlike part; specif.,
- the fine metal wire in a light bulb which becomes incandescent when heated by an electric current
- the cathode of a thermionic tube, usually in the form of a wire, which may be electrically heated
- Bot. the stalk of a stamen bearing the anther
Related Forms:
- filamentary adjective
- filamentous adjective
See filament in American Heritage Dictionary 4
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