Definition of Melmac in US English:

Melmac

noun

North American
  • A durable plastic used to make bowls, plates, mugs, etc.; items made of this (collectively). Chiefly attributive. [A trademark in the United States.]

Origin

1940s; earliest use found in The Official Gazette. Origin uncertain; probably from mel- + an arbitrary second element.

Pronunciation

Melmac

/ˈmɛlmak/