1. Plural of pisolite; small, rounded grains or pellets of sedimentary rock, typically composed of calcium carbonate or iron oxide, formed by the accumulation of mineral layers around a nucleus.
Usage: geology; technical term

Examples

• The limestone formation contained numerous pisolites that gave it a distinctive granular texture.
• Geologists examined the pisolites under a microscope to determine their mineral composition.
• Pisolites are commonly found in sedimentary deposits and can indicate specific paleoenvironmental conditions.
• The iron ore sample was rich in pisolites, which contributed to its commercial value.