Meaning of folium in English:


Pronunciation /ˈfəʊlɪəm/

nounplural noun folia/ˈfəʊlɪə/

  • A thin leaflike structure, e.g. in some rocks or in the cerebellum of the brain.

    ‘In case 3, however, we noted Purkinje neuronal drop-out, gliosis, and proliferation of microglial nodules in the cerebellar folia.’
    • ‘Immediately above the lingula, four or five folia constitute the central lobule of the vermis, which is continuous laterally with the ala of the central lobule.’
    • ‘This folium was first discussed by Descartes in 1638.’
    • ‘After that, Zhuang carves out seven leaves from the folium.’
    • ‘The Latin stem for these words is folium, a neuter noun meaning leaf.’


Mid 18th century from Latin, literally ‘leaf’.