Definition of orbitoline in English:

orbitoline

Pronunciation /ɔːˈbɪtəlʌɪn/ /ɔːˈbɪt(ə)lʌɪn/

adjective

  • Originally: of, relating to, or resembling the extinct genus Orbitolina of foraminiferans. Later: = orbitolinid .

noun

  • Originally: a foraminiferan of this genus. Later: = orbitolinid .

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London. From scientific Latin Orbitolina, genus name from orbitol- (in Orbitolites) + -ina.