PUMICE
The Grocer's Eneyclopedia · 1911 · p. 7
is coarsely cellular lava, so porous that it floats until saturated with water. It is extensively employed as polishing material, chiefly in pulverized form. [s. 523]
Bu kavram başka kaynaklarda da geçiyor
Chamber's Twientieth Century Dictionary (1908)
Pears Shilling Cyclopedia (1898)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
A Military Dictionary (1810)
PUMICE-STONE
—
An Illustrated Encyclopedic Medical Dictionary (1894)
Pumice-stone
—
An Illustrated Dictionary of Words Used In Art and Archealogy. (1883)
Pumice Stone
—
Zell's Condensed Dictionary (1879)
Readham'da tam maddeyi gor →