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1. A flowing outward.
2. Something that flows out or forth; an effluence.
3. A passing or an expiration, as of time.

[From Latin efflūxus, past participle of effluere, to flow out; see effluent.]

ef·flux′ion (ĭ-flŭk′shən) n.
References in periodicals archive ?
That MoU was amended from time to time, eventually expiring by effluxion of time in July 2010 and Enman Services Ltd was duly informed.
co / pxny5hpMy good pal John Donoghue AKA Effluxion finally drops his massive Blue Room track that we have been playing since November last year on Manchester's Sequential Records.
Also in the case of Nzekwu v Nzekwu (1989), the Supreme Court of Nigeria restated the principle that the widow's dealings over her deceased husband's property must receive the consent of the family, and she cannot by the effluxion of time claim the property as her own.