Definition of rotalid in English:

rotalid

noun

  • A foraminiferan of the order Rotaliida, suborder Rotaliina, or superfamily Rotaliacea, having a perforate calcareous test, typically in the form of a globular spiral.

adjective

  • Of, relating to, or characteristic of this group of foraminiferans.

Origin

Mid 19th century; earliest use found in Annals and Magazine of Natural History. From scientific Latin Rotalia + -id, after German Rotaliden, plural noun.

Pronunciation

rotalid

/ˈrəʊtəlɪd/ /ˈrəʊt(ə)lɪd/