a slender threadlike object or fiber, especially one found in animal or plant structures, a conducting wire or thread with a high melting point, forming part of an electric bulb or vacuum tube and heated or made incandescent by an electric current

Formal and Informal Expressions of filament

In different contexts, you can replace 'filament' with suitable alternatives. In a more formal setting, 'fiber, strand' is apt. In informal speech or writing, 'thread, wire' is a commonplace synonym.

filament: Explore its Definition & Usage

filament Definition

1a slender threadlike object or fiber, especially one found in animal or plant structures
2a conducting wire or thread with a high melting point, forming part of an electric bulb or vacuum tube and heated or made incandescent by an electric current

Using filament: Examples

Take a moment to familiarize yourself with how "filament" can be used in various situations through the following examples!

Example
The spider spun a filament to catch its prey.
Example
The light bulb's filament broke and needed to be replaced.
Example
The vacuum tube's filament glowed red hot when the current passed through it.

filament Synonyms and Antonyms

Synonyms for filament

Phrases with filament

filament lamp
an incandescent light bulb that uses a filament to produce light
Example
The filament lamp was invented by Thomas Edison in 1879.
filamentous algae
a type of algae that forms long, threadlike filaments
Example
The lake was covered in filamentous algae, making it difficult to swim.
filament winding
a manufacturing process used to make composite materials by winding resin-impregnated fibers around a mandrel
Example
The rocket's fuel tank was made using filament winding.

Origins of filament

from Latin 'filum', meaning 'thread'

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Summary: filament in Brief

A 'filament' [ˈfɪləmənt] is a thin, threadlike structure found in animal or plant structures, or a conducting wire or thread with a high melting point used in electric bulbs or vacuum tubes. Examples include a spider's filament for catching prey, a light bulb's filament that produces light when heated by an electric current, and a vacuum tube's filament that glows red hot when the current passes through it.