1. Plural of iridium; multiple atoms or samples of the chemical element iridium (symbol Ir, atomic number 77), a hard, silvery-white transition metal.
Usage: chemistry; technical

Examples

• The laboratory stored several iridiums samples for the metallurgy experiment.
• Iridiums are used in high-temperature alloys and as catalysts in industrial processes.
• The jeweler combined iridiums with platinum to create a durable white metal.
• Scientists studied the properties of different iridiums isotopes.
• Iridiums compounds are valued for their resistance to corrosion.