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.’
Late 18th century: from modern Latin pisolithus, from Greek pisos ‘pea’.
We take a look at several popular, though confusing, punctuation marks.