iridio-platinum

noun

irid·​io-platinum

ī¦ridē(ˌ)ō,

ə̇¦r-+

: a hard alloy of iridium and platinum

Word History

Etymology

iridio- (from New Latin iridium) + platinum

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now