ˌambə(ˌ)tōˈarəˌnīt noun
( -s )
Etymology: French, from Ambatoarina, town near Ambositra, Madagascar, its locality + French -ite
: a mineral 5SrCO 3 .4(Ce,La,Di) 2 (CO 3 ) 3 .(Ce,La,Di) 2 O 3 consisting of an orthorhombic carbonate of the cerium metals and strontium