English edit

Proper noun edit

LPPM

  1. Initialism of London Platinum and Palladium Market.
    • 2000, William Black, The Platinum Group Metals Industry, page 25:
      The metal must be in a form that the LPPM accepts as good delivery.

Noun edit

LPPM (uncountable)

  1. (metal casting) Initialism of low-pressure permanent mold.