The solid, settleable wastes excreted by an animal The faeces of most aquatic animals are enclose in a membrane The removal or settlement of the faeces, whilst this membrane is in tact, is relatively straight forward as it is a large, dense particle If the membrane is broken or decays, the removal of the waste form the water becomes much more difficult as the particles are much finer see also mechanical filtration
fae·ces in AM, use feces Faeces is the solid waste substance that people and animals get rid of from their body by passing it through the anus. solid waste material from the bowels