Tantalum (noun)

A rare, heavy, and ductile metallic element that is used in the manufacture of electronic components, medical implants, and high-end jewelry.

Origin:

The word 'tantalum' comes from the name of the mythological greek figure tantalus, and was chosen because of the rarity and elusive nature of the element similar to tantalus' punishment in greek mythology.

Examples:

1. The scientist discovered a new compound made with tantalum.
2. The jewelry store displayed a collection of beautiful rings made from tantalum.
3. The electronics company used tantalum in their latest smartphone model.
4. The hospital used a tantalum implant to repair a patient's broken bone.
5. The geologist found a tantalum deposit in a remote part of the country.