meerschaum
noun
- a soft, claylike, orthorhombic mineral, Mg(SiO)(OH)·6HO, used to make tobacco pipes and other heat-resistant items; hydrous magnesium silicate; sepiolite
- a pipe with a bowl made of this
See meerschaum in American Heritage Dictionary 4
(mîrˈshəm, -shômˌ)
noun- A fine, compact, usually white claylike mineral of hydrous magnesium silicate, H4Mg2Si3O10, found in the Mediterranean area and used in fashioning tobacco pipes and as a building stone. Also called sepiolite.
- A tobacco pipe with a bowl made of this mineral.
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