filament

• Objet ou fibre mince et filiforme, notamment présent dans les ampoules électriques, les structures biologiques ou les matériaux textiles.

A slender threadlike object or fiber, especially one found in electrical bulbs, biological structures, or textile materials.

1. Thin fiber or threadB2formalscientific

   A very thin, thread-like structure or fiber.

   filament (fibre mince)

   • The spider's web is made of fine filaments.
   • The filament of the light bulb burned out.
   • Under the microscope, the filament appeared as a long, thin strand.

   Synonymesfiberfibrilhairstrandthread

2. Electrical componentB2formaltechnical

   A thin wire in a light bulb that glows when heated by an electric current.

   Filament (élément chauffant)

   • The filament in the incandescent bulb is made of tungsten.
   • When the filament breaks, the bulb stops working.
   • The filament glows white-hot when electricity passes through it.

3. Biological structureC1formalscientific

   A long, thin structure found in cells or tissues, such as in muscles or nerves.

   Filament biologique

   • Muscle filaments are responsible for contraction.
   • The nerve filament transmits signals to the brain.
   • Cytoskeletal filaments provide structural support to cells.

   Synonymesfiberfibrilstrandthread