Definition of westfalite in US English:

westfalite

(also westphalite, westfalit)

noun

rare, historical
  • Any of several related mining explosives having ammonium nitrate as the principal ingredient.

Origin

Late 19th century; earliest use found in Mining. From German Westfalit from Westfal- + -it.

Pronunciation

westfalite

/ˈwɛstfəlʌɪt/