from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A trigonal-hexagonal scalenohedral mineral containing aluminum, hydrogen, lead, oxygen, and phosphorus.
from The Century Dictionary and Cyclopedia
- n. A hydrous phosphate of lead and alumina occurring in globular or reniform crusts of a yellow to brown color, looking like gum (whence the name).
plumbo- + gummite (Wiktionary)
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