soap-earth
Definition
Noun: - A mineral substance: "soap-earth" is a term for a type of soft, greasy mineral (such as steatite or soapstone) that feels soapy to the touch and is used in making talc, pottery, or as a lubricant.
Usage Examples
- (Using the mineral steatite for artistic work.)
- (Referring to the mineral's historical use.)
Advanced Usage
- "soap-earth deposit": a natural accumulation of the mineral in the earth.
- Miners discovered a rich soap-earth deposit in the mountains. (A large quantity of steatite found underground.)
Variants and Related Words
- Soapstone (noun): a common synonym for soap-earth, a soft metamorphic rock composed mainly of talc.
- Soapstone is often used for countertops because it resists heat. (The mineral's practical application.)
- Steatite (noun): a scientific term for the same mineral.
- Steatite is a form of talc-rich rock. (The mineral's technical name.)
Synonyms
- Soapstone: the most common synonym.
- Steatite: a more technical synonym.
Related Idioms
- None common; "soap-earth" is a rare, technical term with no idiomatic usage.