Sentence:  Related to micelle formation is the technologically important ability of detergent actives to congregate at oil water interfaces in such a manner that the polar ( or ionized ) end of the molecule is directed towards the aqueous phase and the hydrocarbon chain towards the <WSD>oily</WSD> phase . 
Meaning of the word marked with <WSD> tags:  unpleasantly and excessively suave or ingratiating in manner or speech