English Explanatory Dictionary

WD-40

English dictionary entry

Meanings

name
  1. A penetrating oil used as a universal solvent, a lubricant and to protect electric circuits from moisture.
  2. Anything or anyone that has many different uses.

Pronunciation

/ˌdʌb(əl)ju ˌdi ˈfɔɹti/

Word forms

WD-40

Etymology

Trademark; an abbreviation of "Water Displacement, 40th formula" or "40th attempt" used by Norm Larson of the Rocket Chemical Company of California, the oil's developer.

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