aeolina
/ɛɪəˈɪnə/ or /iːəˈɪnə/Definitions
1. noun
A type of volcanic ash that is rich in calcium carbonate and is often used in the production of cement and concrete.
“The construction company used a mixture of aeolina and water to create a durable foundation for the new building.”
2. noun
A fine, powdery sedimentary rock, typically composed of calcium carbonate, that is often found in caves and is formed from the accumulation of the remains of marine organisms.
“The speleologist carefully collected a sample of aeolina from the cave floor to analyze its composition.”