The Collaborative International Dictionary of English v.0.48:

Fluxional \Flux"ion*al\, a.
   Pertaining to, or having the nature of, fluxion or fluxions;
   variable; inconstant.
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         The merely human,the temporary and fluxional.
                                                  --Coleridge.
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   Fluxional structure (Geol.), fluidal structure.
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