Ceramic - Pottery Dictionary

by Susan Mussi


ca: GAS

es: GAS

Gas: Physics; gas is a substance possessing perfect molecular mobility and the property of indefinite expansion, as opposed to a solid or liquid products. (Webster’s)
It expands and contracts with changes in pressure and temperature and spreads uniformly within a container, has a very strong smell and is very dangerous if it escapes; if it connects with fire it will cause an explosion and can kill if inhaled. In pottery there are gas kilns, which for large industries are the most economical.