1. Plural of niobium; multiple atoms or samples of the chemical element niobium (symbol Nb, atomic number 41), a hard, silvery-gray transition metal.
Usage: Used in chemistry, materials science, and metallurgy contexts.; Niobium is commonly used in alloys, superconductors, and high-temperature applications.

Examples

• The laboratory stored several niobiums samples for the alloy research project.
• Niobiums are valued in aerospace engineering for their high melting points.
• The chemist analyzed the properties of different niobiums isotopes.
• Industrial applications of niobiums include superconducting magnets.
• The periodic table shows niobium among the transition metals, and niobiums compounds are studied extensively.