The "New Biology" that arose in the Eastern Block during Stalinist times was based on the idea of the heritability of acquired characteristics. In rejecting the paradigm of Mendelian chromosome genetics as well as science-based farming, the New Biology led to a deterioration of scientific life and the free exchange of ideas. In imposing Lysenko's ideas onto zoology, the New Biology adopted the totalitarian language of Newspeak, which dominated public discourse in communist countries. Newspeak had several defining elements: a limited dictionary, strong valuations, binary oppositions, the magical function of language, militarization, and ritualization of language. In this study, the concept of Newspeak is used to analyze primary sources (publications, speeches, and conference discussions) in Polish zoology in the period between 1948 and 1956. Once the practice of Newspeak began to wane, so did the New Biology that had been founded on this specific ritualistic language.