Definition of platinum black in English:

platinum black

Pronunciation /ˈpladənəm ˈˌblak/ /ˈplædənəm ˈˌblæk/ /ˈplatnəm ˈˌblak/ /ˈplætnəm ˈˌblæk/


  • Platinum in the form of a finely divided black powder, used as a catalyst and absorbent for gases.

    • ‘Soot, carbon black, platinum black, and carborundum are among the materials that come closest to a blackbody in the real world.’