Definition of pisolith in English:

pisolith

Pronunciation /ˈpīsəliTH/ /ˈpaɪsəlɪθ/

noun

Geology
  • Any of the component pieces of which pisolite consists.

    ‘Bauxite, the main ore of aluminium, also consists of small nodules, called pisoliths, and is generally thought to require an extremely wet climate to form.’
    • ‘The Martian spheroids, when first observed, could have been impact spherules, concretions, ooids, accretionary lapelli, weathering pisoliths, even fossils.’

Origin

Late 18th century from modern Latin pisolithus, from Greek pisos ‘pea’.