noun🔗ShareForaminíferoAny of several large 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 marine biologist observed a foraminifer, a tiny aquatic creature with a hard, porous shell, under the microscope. "El biólogo marino observó un foraminífero, una diminuta criatura acuática con una concha dura y porosa, bajo el microscopio.organismbiologymicroorganismoceannatureenvironmentanimalscienceChat with AIVocabulary GamePractice Reading