Assertion: porcelain | /r/DefinedAs | translucent substance
Facets:
value: usually
type: TEMPORAL
value: in the western world
type: LOCATION
Source sentences:
text: In the Western world, porcelain is usually defined as a translucent substance—when held to the light most porcelain does have this property—and stoneware is regarded as partially vitrified material that is not translucent.