filament
/ˈfɪləmənt/ (bre, ipa) · /ˈfɪləmənt/ (ame, ipa) · /ˈfi-lə-mənt/ (ame, mw)
filament — noun
- filamentsingular
- filamentsplural
1. a very thin strand of material, such as silk, nylon, glass, or spider web
a very thin strand of material, such as silk, nylon, glass, or spider web
Saira pulled a loose filament from the edge of the wool scarf.
a loose filament from fabric
Under the lamp, the silk filament looked almost transparent on the needle.
The spider dropped a fine filament from the ceiling above Liam's desk.
Workers twisted each nylon filament into a stronger cord for the net.
Before class, Aoi fed blue filament into the 3D printer by hand.
文法句型
a filament of silk
nylon filament
feed filament into a 3D printer
用法筆記
Often used for one extremely fine strand rather than a whole cloth, rope, or sheet. Common with manufactured materials and with natural strands such as spider silk.
2. the fine wire in an old-style light bulb that becomes bright when electricity fl
the fine wire in an old-style light bulb that becomes bright when electricity flows through it
The bulb went dark when the filament burned out during dinner.
the filament burns out
Anthony watched the filament glow orange inside the old desk lamp.
the filament glows inside a lamp
The repair guide showed how electricity heats the filament in the bulb.
A broken filament left the hallway light flickering above Sivan's door.
Lucas heard the loose filament rattle inside the torch after it fell.
文法句型
the filament in the bulb
the filament burns out
the filament glows
用法筆記
Usually refers to incandescent bulbs, heaters, or torches with older bulb technology. LEDs do not use a filament.
常見錯誤
3. a long narrow structure formed by one stretched cell or by many cells joined in
a long narrow structure formed by one stretched cell or by many cells joined in a line, especially in living things such as algae, mould, and some bacteria
Under the microscope, Eshe pointed to the green filament in the pond sample.
a green filament in a sample
The biology chart showed each filament growing as a line of joined cells.
a filament as a line of cells
Sirin compared the fungal filament with the round yeast cells beside it.
In class, Ramón traced a thin filament spreading across the damp bread.
The scientist measured one long filament from the algae near the tank wall.
文法句型
a fungal filament
a green filament in a sample
a filament of joined cells
用法筆記
Common in biology descriptions of algae, fungi, and some bacteria. Distinguish this sense from sense 1, which is about a material strand rather than living cells.