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There are 4 nine-letter words ending with TONIUM

bottonium leptonium plutonium protonium

5 definitions found

bottonium — n. (Physics) Any meson formed from a bottom quark and its antiquark.
leptonium — n. (Physics) A bound pair of a lepton and its antiparticle.
plutonium — n. The transuranic chemical element with atomic number 94 and… — n. (Countable, historical) Alternative form of ploutonion.
protonium — n. (Physics) An exotic atom consisting of a proton bound to an antiproton.

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Scrabble in English: 1 word
French Wiktionary: 1 word
Spanish Wiktionary: no word
Italian Wiktionary: no word
German Wiktionary: 1 word
Portuguese Wiktionary: no word
Dutch Wiktionary: 1 word

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