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Glite Dictionary
WD-40

WD-40

4 4.6
A spray that makes parts move easily and removes or prevents rust
  • noun
  • /ˈdʌbəlˈjuː diː ˈfɔːrti/
: WD-40
  • You should keep WD-40 handy for removing squeaks and preventing rust on tools.

Examples

  • He used WD-40 to loosen the rusty bolt on the gate.

  • Whenever the hinges squeak, I just spray some WD-40 on them.

  • You should keep a can of WD-40 in your toolbox for general repairs.

  • I need to buy some WD-40 for my squeaky door.

  • Have you tried using WD-40 on that rusty hinge?

  • When moving parts are stuck, spraying WD-40 can help them work smoothly again.

  • This rusted hinge needs some WD-40 to loosen it up.

Surface Forms

WD-40 singular
WD-40s plural

Etymology

The word WD-40 comes from Water Displacement and the number 40 because it was the 40th formula the people who made it tried. It was made to 'push water away' and protect metal, so that's why people use WD-40 as a spray to loosen rusty parts, stop squeaks, and remove or prevent rust.