a kind of wild card character who can turn up new plot elements, as in the fifth story of the album Kraken, by making unpleasant discoveries that open up the investigation of an abortion ring
one who takes food by chance rather than by stalking and hunting. Many wild cats are scavengers themselves as well as the target for scavengers of other species. In regions were the ranges of various species of wild cat overlap, it is common for larger cats to take the prey from smaller felids - in Asia the Tiger will take freshly killed prey from the leopard, as will the Lion from the Cheetah in Africa. The Cheetah is one of the few species of wild cat that does not scavenge and ironically it looses a great percentage of its prey to other scavengers such as the hyaena.
In water treatment applications, a polymer matrix or ion exchanger that is used specifically to remove organic species from the feedwater before the water is to pass through the deionization process.