filament
noun /ˈfɪləmənt/
/ˈfɪləmənt/
- a thin wire in a light bulb that produces light when electricity is passed through itTopics Engineeringc2
- (specialist) a long thin piece of something that looks like a thread
- glass/metal filaments
- Under the glass cover was a mass of thin wire filaments.
- The male fish develops extended filaments on the dorsal fin.
- Underground fungi filaments provide nutrients and water to the trees.
Word Originlate 16th cent.: from French, or from modern Latin filamentum, from late Latin filare ‘to spin’, from Latin filum ‘thread’.