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Word of the Day - folium

Even old fossils can learn new words.

folium

/ˈfəʊlɪəm/
noun
technical
A thin leaflike structure, e.g. in some rocks or in the cerebellum of the brain.

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

The fossils found along several marine coastlines include an extinct oyster species Dendostrea folium which looks very leaflike.

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