List of 7-letter words ending with

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There are 8 seven-letter words ending with NIUM

CRANIUM	• cranium n. (Anatomy) That part of the skull consisting of the bones enclosing the brain, but not including the… • cranium n. (Anthropology, informal) The upper portion of the skull, including the neurocranium and facial bones… • cranium n. (Informal) Synonym of skull.
DUBNIUM	• dubnium n. A transuranic chemical element (symbol Db) with atomic number 105. • dubnium n. (Chemistry, obsolete) A rejected name for rutherfordium. • DUBNIUM n. an element produced by bombarding plutonium with high energy neon ions.
HAFNIUM	• hafnium n. A chemical element (symbol Hf) with an atomic number of 72: a lustrous, silvery-grey tetravalent transition metal. • HAFNIUM n. a metallic element.
HAHNIUM	• hahnium n. (Chemistry, obsolete) A rejected name for dubnium. • hahnium n. (Chemistry, obsolete) A rejected name for hassium. • HAHNIUM n. an artificially produced transuranic element.
MUONIUM	• muonium n. (Physics, chemistry) An exotic atom formed when a positively charged muon (an anti-muon) and an electron… • MUONIUM n. an electron and a positive muon bound together.
OXONIUM	• oxonium n. (Inorganic chemistry) Any univalent oxygen cation derived from water, the simplest of which is the hydronium… • OXONIUM n. a certain grouping of oxygen and hydrogen atoms.
RHENIUM	• rhenium n. A metallic chemical element (symbol Re) with an atomic number of 75: a heavy, silvery-gray transition metal. • rhenium n. (Countable) A single atom of this element. • RHENIUM n. a metallic element.
URANIUM	• uranium n. The element with atomic number 92 and symbol U: a radioactive silvery-grey metal in the actinide series. • URANIUM n. a radioactive element, also URANIDE.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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English Wiktionary: 23 words
Scrabble in French: 6 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: 2 words
Scrabble in Romanian: no word

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