Definition of nummulite in English:

nummulite

Line breaks: num¦mu|lite
Pronunciation: /ˈnʌmjʊlʌɪt
 
/

noun

Palaeontology
  • The flat disc-shaped calcareous shell of a foraminiferan, found commonly as a fossil up to 8 cm across in marine Tertiary deposits.
    • Family Nummulitidae, order Foraminiferida: several genera, including Nummulites
    More example sentences
    • The occurrence higher in the succession of nummulites and neritic fossils indicates overall shallowing upwards.
    • They found that the Eocene nummulites lived in nutrient-rich environments during a warm climatic phase.
    • In the seas, the calcareous nannofossils were still in evidence but in shallow waters the benthonic nummulite and other larger foraminifera became very abundant.

Origin

early 19th century: from Latin nummulus (diminutive of nummus 'coin') + -ite1.

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