(historical) The name originally proposed for element 72, now called hafnium; the discoverer, Georges Urbain, conjectured it to be a rare earth element, and proposed the symbol Ct; but subsequent work showed it to be a transition element, and hafnium was given the symbol Hf..
현재 검증된 한국어 뜻은 준비 중이며 영어 정의는 “(historical) The name originally proposed for element 72, now called hafnium; the discoverer, Georges Urbain, conjectured it to be a rare earth element, and proposed the symbol Ct; but subsequent work showed it to be a transition element, and hafnium was given the symbol Hf.”입니다.