Learn how to say Efflux correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word efflux:
[mass noun] technical
the flowing out of a substance or particle:
the same active efflux of sodium from the cytoplasm to the external medium
material that is flowing out:
the routing for the jet efflux also needs to be considered
mid 16th century: from medieval Latin effluxus, from effluere ‘flow out’