List of 13-letter words ending with

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There are 14 thirteen-letter words ending with ONIUM

alkylammonium — n. (Organic chemistry) Any aliphatic ammonium cation.
aryldiazonium — n. (Organic chemistry) Any diazonium group containing an aryl group.
butylammonium — n. (Organic chemistry) Any cation obtained by the protonation of a butylamine.
cuproammonium — n. (Inorganic chemistry) The cation Cu(NH₃)₄²⁺ formed by adding…
decamethonium — n. (Pharmacology) Synonym of decamethonium bromide.
dipositronium — n. (Physics) The short-lived combination of two positronium exotic…
ethylammonium — n. (Organic chemistry, especially in combination) The univalent…
hexafluronium — n. (Pharmacology) A muscle relaxant that acts as a nicotinic acetylcholine…
hexamethonium — n. (Pharmacology) Synonym of hexamethonium bromide.
metalammonium — n. (Chemistry) A hypothetical radical derived from ammonium by…
octylammonium — n. (Organic chemistry) The univalent cation obtained by protonation…
perceptronium — n. A hypothetical state of matter capable of giving rise to self-awareness…
suxamethonium — n. (Pharmacology) Synonym of suxamethonium chloride.
thionitronium — n. (Inorganic chemistry) The cation NS₂⁺.

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