foraminifer
/ˌfɒrəˈmɪnɪfə(r)/noun
(pl. foraminifers 或foraminifera /ˌfɒrəmɪˈnɪfərə/)
1- Zoology a single-celled planktonic animal with a perforated chalky shell through which slender protrusions of protoplasm extend. Most kinds are marine, and when they die thick ocean-floor sediments are formed from their shells.【动】有孔虫。参见GLOBIGERINA.
1.1
- Order Foraminiferida, phylum Rhizopoda, kingdom Protista.有孔虫目, 根足总纲, 原生生物界。
派生词
foraminiferal
/fəˌræmɪˈnɪfərəl/ adjectiveforaminiferan
noun & adjectiveforaminiferous
adjective词源
mid 19th cent.: from Latin foramen, foramin- (see FORAMEN) + -fer 'bearing' (from ferre 'to bear').