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There are 4 seven-letter words containing ONIUM
| CONIUMS | • coniums n. Plural of conium. • CONIUM n. (Latin) a genus of biennial, poisonous, white-flowered, umbelliferous plants, bearing ribbed fruit and decompound leaves. |
| IONIUMS | • IONIUM n. a radioactive isotope of thorium. |
| 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. |
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 1Word.ws and WikWik.org.
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See this list for:
- English Wiktionary: 8 words
- Scrabble in French: 1 word
- Scrabble in Spanish: no word
- Scrabble in Italian: no word
- Scrabble in German: no word
- Scrabble in Romanian: no word
Recommended websites
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- Ortograf.ws to look for words.
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