With a "big tent" understanding of bioethics, this dictionary provides definitions of 755 important terms drawn from a wide variety of contexts: medicine, nursing, behavioral health, forensic science, research ethics, public safety, social work, and epidemiology, on the one hand; bioethics, ethics, law, history, philosophy, and theology, on the other. Bioethical approaches (such as Principlism) and ethical categories (Fallibilism) are given their due, as are the major theoretical orientations (Feminist Bioethics). Terms from outside the USA, especially the UK, are in evidence. Many Greek and a few Latin equivalents are provided; for example, "cloning (