1. very thin threads or thread-like structures
2. the thin wire inside a light bulb that glows when heated by electricity
Usage: technical
3. the stalk-like part of a flower’s stamen that supports the anther
Usage: botany

Examples

• The spider’s web was made of delicate silk filaments.
• Carbon filaments were used in early light bulbs.
• The microscope revealed tiny protein filaments in the cell.
• When the bulb burned out, we could see the broken filament inside.
• The flower’s filaments extended beyond the petals.
• Synthetic filaments are used to make strong fishing line.
• The artist created sculptures using metal filaments.