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# filament

«filament» in Mova's school dictionary: **a very thin thread or wire** — its meaning for a pupil, its sense in the lessons and examples, with 2 sentences of Mova's corpora that use it.

### part of speech

noun (a filament, filaments)

### meaning for a pupil

1) A filament is a very thin thread or wire. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#m1)

2) In an old-style light bulb, the filament is the thin wire that glows when electricity passes through it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#m2)

3) (science) A thin thread in living things, such as in fungi, plants or a flower's stamen. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#m3)

4) The plastic thread used in 3D printers. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#m4)

### sense in the lessons

Used in science lessons on electricity (filament lamps) and plants (the filament holds the anther in a flower). Phrases: «filament bulb», «filament lamp», «thin filament». It tells the reader something is threadlike.

### examples

- The filament in the bulb glowed bright orange. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#x1)
- When the filament breaks, the bulb stops working. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#x2)
- The stamen of a flower has a filament and an anther. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#x3)
- Spiders spin silk filaments. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#x4)
- Our 3D printer uses plastic filament. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#x5)
- Fungi grow tiny filaments under the ground. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/#x6)

### note

Countable: a filament, filaments. Filament bulbs waste lots of energy as heat; LED bulbs use much less. Do not touch a bulb just switched off; the filament makes it hot.

### In the corpora

- [The smell is «the fine filament, the telegraphic current» (a thin thread, like a telegraph wire's signal).](https://md.mova.elamur.ai/free/en/corpora/school/books/41-willows-ch5-part1-the-call-of-home/23/)
- [An LED bulb gives the same light as an old filament bulb with far less electricity.](https://md.mova.elamur.ai/free/en/corpora/school/world/89-saving-water-and-energy/13/)

### Trees and pragmatics

[Every meaning and example of «filament» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/filament/), each sentence with its dependency tree and frames.