List of 11-letter words ending with

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There are 18 eleven-letter words ending with ENIUM

arenocenium — n. (Organic chemistry, especially in combination) Any aromatic…
dicarbenium — n. (Organic chemistry) Any carbenium ion containing two carbeniums.
diruthenium — n. (Chemistry, especially in combination) Two ruthenium atoms in a molecule.
ferricenium — n. (Chemistry) The cation derived from ferrocene.
ferrocenium — n. (Chemistry) The univalent cation [Fe(C₅H₅)₂]⁺ obtained by the…
hydrogenium — n. (Obsolete, chemistry) Hydrogen, especially when formerly considered…
hyposcenium — n. A low wall in front of the stage of an Ancient Greek theatre.
nonselenium — adj. Not of or pertaining to selenium.
parascenium — n. (Historical) One of two apartments adjoining the ancient stage…
phenoxenium — n. (Organic chemistry) An unstable cation resulting from loss…
phosphenium — n. (Inorganic chemistry) The radical cation H₂P:⁺ derived from… — n. (Organic chemistry) Any derivative of this ion R₂P:⁺.
postscenium — n. The part of a theater behind the scenes; the backstage area.
proscænium — n. Archaic form of proscenium.
quinquenium — n. Misspelling of quinquennium.
rhodocenium — n. (Chemistry) The unipositive cation of rhodocene.
roentgenium — n. A transuranic chemical element (symbol Rg) with atomic number 111.
subhymenium — n. The supportive hyphae from which the cells of the hymenium grow.
synhymenium — n. (Zoology) A hypostomial frange.

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