Sentence Examples


  • Polishing is effected by wooden wheels fed with wet pumice-powder and rottenstone and by brushes fed with moistened putty-powder.
  • The dredge often brings up large numbers of nodules formed upon sharks' teeth, the ear-bones of whales or turtles or small fragments of pumice or other volcanic ejecta, and all more or less incrusted with manganese oxide until the nodules vary in size from that of a potato to that of a man's head.
  • In the centre of a pumice-covered plateau from loon to 2000 ft.
  • Broken as is the surface, poor as is the soil of certain tracts, there is but little of the island which will not ultimately be cultivated with profit as pumice and clay-marl yield to labour.
  • Pumice stone is also exported from Lipari (II,oio tons in 1904).
 

How would you define pumice? Add your definition here.

comments powered by Disqus