constitution

(kon-stl-tu's hun) [L. constiiuere, to establish,] i The physical make up of the body, including the mode of performance of its fimctions, the activity of its metabolic proce es, the manner and degree of its reactions to stimuli, and its power of resistance to the attack of pathogenic organisms. 2. In chemistry, the number and kind of atoms in the molecule and the relation which they bear to each other.