arb: عنصر فلزي، معدن من الأراضي النّادرة

Information
has URI	http://lexvo.org/id/term/arb/%D8%B9%D9%86%D8%B5%D8%B1%20%D9%81%D9%84%D8%B2%D9%8A%D8%8C%20%D9%85%D8%B9%D8%AF%D9%86%20%D9%85%D9%86%20%D8%A7%D9%84%D8%A3%D8%B1%D8%A7%D8%B6%D9%8A%20%D8%A7%D9%84%D9%86%D9%91%D8%A7%D8%AF%D8%B1%D8%A9

Meaning
means	(noun) a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime thulium, Tm, atomic number 69