lanthanide

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈlænθəˌnaɪd/US:USA pronunciation: respellingUSA pronunciation: respelling(lan′thə nīd′, -nid)


WordReference Random House Unabridged Dictionary of American English © 2026
lan•tha•nide  (lan′thə nīd′, -nid),USA pronunciation n. [Chem.]
    any element of the lanthanide series. Also called lan•tha•non  (lan′thə non′).USA pronunciation 
    • lanthan(um) + -ide 1925–30

Collins Concise English Dictionary © HarperCollins Publishers::
lanthanide / ˈlænθəˌnaɪd/, lanthanon / ˈlænθəˌnɒn/
  1. any element of the lanthanide series
Etymology: 19th Century: from lanthanum + -ide
'lanthanide' also found in these entries (note: many are not synonyms or translations):
-ide - actinide - cerium - dysprosium - erbium - europium - gadolinium - holmium - lanthanide series - lanthanum - lutetium - neodymium - praseodymium - promethium - rare earth - samarium - series - terbium - ytterbium

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