filings

IPA/fˈaɪlɪŋz/
KK[fˈaɪlɪŋz]IPA/fˈaɪlɪŋz/

filings — noun

1. tiny sharp particles of metal that break away from a piece of metal when it is s

1.nounB2
Definition

tiny sharp particles of metal that break away from a piece of metal when it is smoothed or shaped with a file tool.

Example

Naoko brushed the iron filings off the workbench into a dustpan.

collocation: iron filings — most common with metal-type noun

The blacksmith swept up the steel filings from the floor after sharpening the plough.

verb: sweep up / brush off filings

Common collocations
  • iron filings
  • steel filings
  • brass filings
  • aluminium filings
  • metal filings
  • tiny filings
  • fine filings
  • sweep up filings
  • brush off filings
  • collect filings
Synonyms
  • shavings

    broader meaning — can refer to thin slices from wood or metal, and are usually larger curled pieces rather than tiny particles

  • particles

    more general — can refer to any very small pieces of any material, not specifically produced by filing

  • dust

    used for extremely fine filings that resemble powder, especially from grinding rather than filing

Grammar Patterns

filings + of + [metal type]

determiner (the/some) + [metal] + filings

Usage Note

Always used in plural form. 'Filings' normally refers to the fragments produced by filing or grinding metal; it is not used for paperwork (the homograph 'filing' is a separate word related to documents and records). The most common collocations pair 'filings' with the type of metal: iron filings, steel filings, brass filings.

Common Mistakes

I threw away the filing from my metal project.
I threw away the filings from my metal project.
'filings' is always plural, even when referring to the material as a whole.
There were metal filings on the floor of the office filing room.
There were metal filings on the workshop floor.
'filings' (metal fragments) is easily confused with the homograph 'filing' (document storage); keep the context in a metalworking setting.

Word family

Synonym discussion

Sense: noun/1

'Filings', 'shavings', 'particles', and 'dust' all describe small pieces of material, but they differ in shape, size, and source. 'Filings' are tiny, often sharp fragments produced specifically by rubbing a metal surface with a file tool — they are small enough to stick to a magnet. 'Shavings' are usually thin, curled slices that come from cutting or planing wood or metal; they are larger and more visible than filings. 'Particles' is the most general term — it covers any very small piece of any substance (sand, plastic, food, metal) and does not specify how they were produced. 'Dust' refers to the finest, powder-like particles, often produced by grinding, sanding, or natural wear. For example: a jeweller collects gold filings from the workbench after filing a ring; a carpenter sweeps up wood shavings from the floor after planing a plank; dust particles float in the sunlight after grinding a metal surface.

filings ↗shavingsparticles ↗dust ↗

Etymology

Old EnglishEnglish

'Filings' comes from the noun 'file' (the metalworking tool, from Old English 'feol' or 'fil', related to German 'Feile') combined with the suffix '-ings', which turns the action into a plural noun meaning 'the result of the action'. The word has been used since the 1600s to describe the small metal particles produced by using a file. It is unrelated to the other word 'file' (for storing documents), which comes from French 'filer' (to thread documents on a string).