n.

1. A fine or thinly spun thread, fiber, or wire.
2. Botany.
   1. The stalk that bears the anther in a stamen.
   2. A chainlike series of cells, as in many algae.
3. 1. A fine wire heated electrically to incandescence in an electric lamp.
   2. Electronics. A high-resistance wire or ribbon forming the cathode in some thermionic tubes.

[New Latin fīlāmentum, from Late Latin fīlāre, to spin, from Latin fīlum, thread.]

filamentous fil'a·men'tous (-mĕn'təs) or fil'a·men'ta·ry (-mĕn'tə-rē, -mĕn'trē) adj.

noun

A very fine continuous strand: fiber, fibril, thread. See thing.

n

An individual manufactured toothbrush bristle.

An incandescent lamp filament whose form and construction are designated by a letter: S, straight wire; C, coil; CC, coiled coil.

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Composed of long, threadlike structures.

• f. body — see colloidal body.

Thin thread of carbon or tungsten which produces heat or light with the passage of current.

The slender stalk that supports the pollen-bearing anther.

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Common misspelling(s) of filament

• filiament

Dansk (Danish)
n. - filament, tynd tråd, glødetråd, støvtråd

Nederlands (Dutch)
vezel, draad, deel van de meeldraad, stroom

Français (French)
n. - (Élec) électron, fil (d'une fibre)

Deutsch (German)
n. - Faden, Faser

Ελληνική (Greek)
n. - νήμα (πυράκτωσης), λεπτό νήμα, νημάτιο

Italiano (Italian)
filamento

Português (Portuguese)
n. - filamento (m) (Eletr.)

Русский (Russian)
волокно, нить, нить накала

Español (Spanish)
n. - fibra, filamento

Svenska (Swedish)
n. - glödtråd, fin tråd, ståndarsträng (bot.)

中文（简体） (Chinese (Simplified))
细丝, 灯丝, 单纤维, 细线

中文（繁體） (Chinese (Traditional))
n. - 細絲, 燈絲, 單纖維, 細線

한국어 (Korean)
n. - 가는 실, (전구)필라멘트, 섬유 세포

日本語 (Japanese)
n. - 単繊維, フィラメント, 花糸, 繊維

العربيه (Arabic)
‏(الاسم) خيط , خييط‏

עברית (Hebrew)
n. - ‮תיל דק (בנורת חשמל)‬

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3 m filament tape