Sentence:  Mass terms like “meat,” “hamburger,” and “leather” used instead of “dead animal,” “cow,” or “skin” encourage consumers to forget that they are eating or using a dead animal. ... The commercial influence of a pervasive and legalized meat industry is strong, which may account for why speciesism and the ideology of <WSD>carnism</WSD> are cultural values that Freeman found national news tends to impose on audiences, naturalizing and legitimizing the exploitation of farmed animals. 
Meaning of the word marked with <WSD> tags:  The human ideology that supports the slaughter of certain animals and the consumption of their meat or other products (leather from skin, etc).