1. raffinate - Noun
2. raffinate - Verb
English Wikipedia has an article on:raffinateWikipedia
raffinate (plural raffinates)
(chemistry) A solution from which some material has been removed by extraction with an immiscible liquid
raffinate (third-person singular simple present raffinates, present participle raffinating, simple past and past participle raffinated)
To separate by means of raffination
Ojovan, M. I. and Lee, W.E. (2005) An Introduction to Nuclear Waste Immobilisation, Elsevier, Amsterdam, p. 315 Currently at Sellafield the high-level waste ( PUREX first cycle raffinate ) is mixed with sugar and then calcined. Source: Internet
The lanthanides and the remaining actinides are then separated from the aqueous residue ( raffinate ) by a diamide-based extraction to give, after stripping, a mixture of trivalent actinides and lanthanides. Source: Internet