Definition of Pumices. Meaning of Pumices. Synonyms of Pumices

Here you will find one or more explanations in English for the word Pumices. Also in the bottom left of the page several parts of wikipedia pages related to the word Pumices and, of course, Pumices synonyms and on the right images related to the word Pumices.

Definition of Pumices

Pumice
Pumice Pum"ice, n. [L. pumex, pumicis, prob. akin to spuma foam: cf. AS. pumic-st[=a]n. Cf. Pounce a powder, Spume.] (Min.) A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone.

Meaning of Pumices from wikipedia

- Pumice ( /ˈpʌmɪs/), called pumicite in its powdered or dust form, is a volcanic rock that consists of extremely vesicular rough-textured volcanic gl****...
- A pumice raft is a floating raft of pumice created by some eruptions of submarine volcanoes or coastal subaerial volcanoes. Pumice rafts have unique characteristics...
- component of volcanic pumices and ashes is a highly porous gl****. The easily alterable, or highly reactive, nature of these ashes and pumices limits their occurrence...
- sizes. Some pumices have pink colours, indicating that they were exposed to air while hot. Mafic blebs have been extracted from the pumices. Healy volcano...
- Volcanic cones are among the simplest volcanic landforms. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone...
- sizes of 1.5 metres (4 ft 11 in). Similar pumices were dredged from the top of Protector Shoal. The pumices have been classified in two groups, a white...
- gases to a height of 33 km (21 mi), erupting molten rock and pulverized pumice at the rate of 6×105 cubic metres (7.8×105 cu yd) per second. More than...
- Pumice Desert is a dry meadow in Crater Lake National Park. It covers 3,055 acres (4.8 sq mi; 12.4 km2) and is located along the North Entrance Park Road...
- removed. The molten fuel hit the water and cooled into a light-brown ceramic pumice, whose low density allowed it to float on the water's surface. Unaware of...
- very poorly sorted mixture of volcanic ash (or tuff when lithified) and pumice lapilli, commonly with scattered lithic fragments. The ash is composed of...