Definition of foliole in English:

foliole

noun

Botany
  • Each of the leaflike structures that together make up a compound leaf.

    • ‘The flowers stand normally three together, in the axil of a foliole.’
    • ‘Later, the foliole becomes dry, the knot falls apart, and the development takes its course.’
    • ‘One foliole forming a tomato leaf was used for two separate extractions.’
    • ‘Mean values of several extractions, each from a different leaf foliole, were calculated.’
    • ‘Stems and leaves divided into multiple folioles in bas-relief bend so as wholly to fill the decorative field.’

Origin

Mid 18th century: French, from Latin foliolum, diminutive of folium leaf.

Pronunciation:

foliole

/ˈfəʊlɪəʊl/