define:  dichotomy
Definition of dichotomy. plural. dichotomies. 1 : a division into two especially mutually exclusive or contradictory groups or entities the dichotomy between theory and practice; also : the process or practice of making such a division dichotomy of the population into two opposed classes.
noun, plural anatomies. 1. the science dealing with the structure of animals and plants. 2. the structure of an animal or plant, or of any of its parts. 3. dissection of all or part of an animal or plant in order to study its structure. 4. a plant or animal that has been or will be dissected, or a model of such a dissected organism.