백금이리듐 in Korean
백금 이리듐(白金iridium)[―끔―][명사]백금과 이리듐과의 합금. 단단하고 팽창률이 낮으며 화학 약품에 침식되지 않아, 국제적 표준 원기(原器)나 만년필 펜촉 등에 쓰임.
Use "백금이리듐" in a sentence
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