원자 번호 77번의 화학 원소로, 백금족에 속하는 매우 단단하고 밀도가 높은 은백색 금속.
A chemical element with atomic number 77, which is a very hard, dense, silvery-white transition metal of the platinum group.
예문:
"Iridium is known for being the most corrosion-resistant material even at high temperatures."
"The high concentration of iridium in the geological layer suggests a massive asteroid impact."
"Scientists use iridium to make high-performance spark plugs and crucibles."