Diffusion (noun). the act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion. Diffusion (noun). the act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body.
Learner's definition of EXCITEMENT. 1. [noncount] : a feeling of eager enthusiasm and interest : the state of being excited. Our excitement was building/growing/mounting as the end of the game approached. His hands shook with excitement. The child cried out in excitement.
Collins Concise English Dictionary Â© HarperCollins Publishers:: excited /ÉªkËsaÉªtÉªd/ adj emotionally aroused, esp to pleasure or agitation characterized by excitement: an excited dance sexually aroused (of an atom, molecule, etc) occupying an energy level above the ground state.exËcitedly adv exËcitedness n.ollins Concise English Dictionary Â© HarperCollins Publishers:: excited /ÉªkËsaÉªtÉªd/ adj emotionally aroused, esp to pleasure or agitation characterized by excitement: an excited dance sexually aroused (of an atom, molecule, etc) occupying an energy level above the ground state. exËcitedly adv exËcitedness n.