TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

VOLCANIC FOAM [1 record]

Record 1 2009-05-14

English

Subject field(s)
  • Petrography
  • Vulcanology and Seismology
DEF

A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive.

OBS

Pumice is the only rock that floats on water, although it will eventually become waterlogged and sink.

OBS

In commerce, pumice is the term applied to larger pumice stones, while pumicite consists of fine grains or ash.

OBS

pumice: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
  • Volcanologie et sismologie
CONT

Les ponces ou pierres ponces sont des roches volcaniques très poreuses et d'une densité faible [...], ce qui leur permet [...] de pouvoir flotter à la surface de l'eau.

CONT

Les ponces servent au polissage et au grattage.

OBS

pumicite ou pumite : Nom scientifique de l'espèce de lave dite vulgairement pierre ponce.

OBS

ponce : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Vulcanología y sismología
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