English Dictionary

foraminifer

/ˌfɒɹəˈmɪnɪfə/

noun

Any of a large group of aquatic amoeboid protists of the subphylum Foraminifera, characterized by streaming granular ectoplasm that among other things is used for catching food, often with a calcareous shell with many holes through which pseudopodia protrude.

The foraminifer is a type of marine organism that has a shell made of calcium carbonate.

意味（1）

Any of a large group of aquatic amoeboid protists of the subphylum Foraminifera, characterized by streaming granular ectoplasm that among other things is used for catching food, often with a calcareous shell with many holes through which pseudopodia protrude.

The species of foraminifer which composes, almost to the exclusion of all others, the deep Atlantic mud, is called Globigerina. […] The natural home of the foraminifers appears to be in the deeper parts of the ocean, commencing where the regular inhabitants of limited depths terminate.