(mineralogy) any of a range of reddish-brown minerals that are mixed phosphates of the lighter rare earth elements lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium and yttrium.
현재 검증된 한국어 뜻은 준비 중이며 영어 정의는 “(mineralogy) any of a range of reddish-brown minerals that are mixed phosphates of the lighter rare earth elements lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium and yttrium”입니다.