Adion definitions

Adion

1) Absorbed atom
Found on https://www.crosswordclues.com/clue/adion

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adion

(from the article `electrochemical reaction`) ...elementary positive charge. The adatoms therefore attract solvent molecules, and the species is partially solvated. This reaction justifies ...
Found on http://www.britannica.com/eb/a-z/a/19

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