금속이나 유리를 닦는 연마제로 주로 사용되는 미세한 입자의 규산질 퇴적물.
A fine-grained earthy deposit of silica, typically used as an abrasive for polishing metal or glass.
예문:
"The jeweler applied a small amount of tripoli to the buffing wheel to polish the gold ring."
"Geologists identified the white deposit as tripoli due to its high silica content."
"Tripoli is often used in the final stages of metal finishing to remove fine scratches."