filament

Pronunciation

• IPA ^(key): /ˈfɪləmənt/

• Audio (UK)

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Noun

Singular filament

Plural filaments

a glowing bulb filament (sense 1)

a filament of solar material (sense 2)

Diagram of stamen (sense 3)

1. (countable) A filament is a fine wire that can be heated until it glows
2. (countable) (physics) (astronomy) A filament is a thread-like structure that extends outward from the surface of the sun.
3. (countable) (botany) A filament is the stalk of a flower stamen that supports the anther.