Definition of plumbogummite in English:

plumbogummite

noun

Mineralogy
  • A mineral of the trigonal crystal system consisting of a hydrated basic phosphate of lead and aluminium, PbAl₃(PO₄)₂(OH)₅.H₂O, and occurring as translucent, resinous, greyish-white to reddish-brown masses.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From plumbo- + classical Latin gummi gum + -ite, after French plomb-gomme plombgomme.

Pronunciation

plumbogummite

/ˌplʌmbəʊˈɡʌmʌɪt/