Definition of pisolith in English:

pisolith

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 + -lite.

Pronunciation:

pisolith

/ˈpīsəliTH/