globigerina
/ɡloʊˌbɪdʒəˈraɪnə/
noun
- A type of small, single-celled marine organism with a chalky shell, found in large numbers in the ocean.
- The white cliffs of some islands are made mostly of globigerina remains.
- Scientists study globigerina to learn about past ocean temperatures.
- Globigerina shells form a major part of the ooze on the ocean floor.