The crystallinity of ceramic materials ranges from highly oriented to semi crystalline vitrified and often completely amorphous.
Clay ceramics definition.
Figuline earth or mud in general.
Technically ceramics are those things made from materials which are permanently changed when heated.
For example clay has chemically bonded water in it which will cause it to slake down disintegrate when a dried clay object is put in water.
Once heated fired to between 660 and 1470 f 350 and 800 c the clay is converted to ceramic and will never dissolve again.
Soil composed chiefly of this material having particles less than a specified size.
How to use clay in a sentence.
It becomes plastic when moist but hardens on heating and is used in the manufacture of bricks cement ceramics etcrelated adjective.
Clay definition is an earthy material that is plastic when moist but hard when fired that is composed mainly of fine particles of hydrous aluminum silicates and other minerals and that is used for brick tile and pottery.