To dissipate or distill by percolation.
Mr Lanier strikes again.
When I came across the sentence, «The strangeness is being leached away by the mush-making process» in You Are Not A Gadget I thought at first that I’d stumbled across a typo that had escaped the editor’s eye. I expected that he meant leeched as in, sucked away as though by a parasite. While this would have made enough sense, Lanier’s choice indeed seems more appropriate.