1. [ noun ] (zoology) a threadlike anatomical structure or chainlike series of cells
Synonyms: filum
Related terms: structure hair
2. [ noun ] (botany) the stalk of a stamen
Related terms: stalk
3. [ noun ] a very slender natural or synthetic fiber
Synonyms: strand fibril
Related terms: fiber myofibril cobweb rhizoid hypha paraphysis chromatid barb
4. [ noun ] (electricity) a thin wire (usually tungsten) that is heated white hot by the passage of an electric current
Related terms: wire light_bulb
Similar spelling:   filamentous