List of 10-letter words ending with

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There are 7 ten-letter words ending with ONIUM

ASCOGONIUM	• ascogonium n. (Mycology) The spiral female organ of an ascomycetous fungus from which asci are produced. • ASCOGONIUM n. the female reproductive structure of fungi.
CHARMONIUM	• charmonium n. (Physics) Any meson formed from a charm quark and its antiquark. • CHARMONIUM n. any of various elementary particles consisting of a charm quark and an antiquark.
DIAMMONIUM	• diammonium n. (Inorganic chemistry) Two ammonium ions in a compound.
PERIGONIUM	• perigonium n. (Botany) The sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth. • perigonium n. (Botany) The modified leaves around the antheridia in a bryophytic plant. • perigonium n. (Dated, zoology) The wall of the sporosac in a hydroid.
POLEMONIUM	• polemonium n. Any of the genus Polemonium of gamopetalous perennial herbs. • Polemonium prop.n. A taxonomic genus within the family Polemoniaceae – Jacob’s ladder and related flowering plants. • POLEMONIUM n. a genus of gamopetalous perennial herbs, including the Jacob's ladder and the Greek valerian.
STRAMONIUM	• stramonium n. The jimsonweed plant. • stramonium n. A narcotic drug obtained from the dried leaves of this plant. • Stramonium prop.n. (Archaic) A taxonomic genus within the family Solanaceae – possibly only consisting of the species now…
SULPHONIUM	• sulphonium n. Alternative spelling of sulfonium. • SULPHONIUM n. the positively charged group SH3, its salts or derivatives, also SULFONIUM.

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: 31 words
Scrabble in French: 2 words
Scrabble in Spanish: no word
Scrabble in Italian: no word
Scrabble in German: no word
Scrabble in Romanian: no word

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