Sentence:  Because dolphins are regarded as <WSD>anosmic</WSD>, because the animals usually swallow fish and other food whole without mastication, and because, until recently, taste buds had not been found in the tongue of several dolphin species, some cetologists have doubted that the animals possess the sense of taste. 
Meaning of the word marked with <WSD> tags:  Lacking olfactory organs; anosmatic.