plural -s
: a mineral PbAl3(PO4)2(OH)5.H2O consisting of a hydrous basic phosphate of lead and aluminum
: a group of isostructural minerals consisting of plumbogummite, gorceixite, goyazite, crandallite, deltaite, florencite, and dussertite and related to alunite and other sulfates isostructural with it

Word History


plumb- + gumm- (from Latin gummi gum) + -ite

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Dictionary Entries Near plumbogummite

Cite this Entry

“Plumbogummite.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

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