lan·tha·nide /ˈlæn(t)θəˌnaɪd/
原子序數58,81間的稀土元素
lan·tha·nide /ˈlæn(t)θəˌnaɪd/ 名詞
鑭系無素,稀土元素
lanthanide
n : any element of the lanthanide series (atomic numbers 57
through 71) [syn: rare earth, rare-earth element, lanthanoid,
lanthanon]