IONO definitions

Iono

1) Atomic prefix 2) Prefix with sphere 3) Prefix with sphere or scope 4) Sphere opening 5) Sphere starter
Found on https://www.crosswordclues.com/clue/iono

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IONO

I Don't Know
Found on http://www.encyclo.co.uk/local/21662

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iono

I don't know
Found on http://www.noslang.com/dictionary/i/

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